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Our Staff

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Our distinguished team brings passion for equity and community change and expertise in developing strategies, best practices, writing, and training in the fields of injury and violence prevention, chronic disease prevention, healthy eating and physical activity, mental health and wellbeing. Our diverse staff contribute unique talent, insight, and perspective from backgrounds ranging from academia, social work, nutrition, journalism, law, public policy, organizational development, direct service, community organizing, and technical assistance.
Prevention Institute Staff

Executive Director: Larry Cohen
Manager of the Executive Office: Anna Realini
Managing Directors: Rachel Davis, Leslie Mikkelsen, Manal Aboelata
Directors: Sana Chehimi, Sheila SavannahElva Yañez
Communications Manager: Jessica Berthold
Program Managers: Niiobli Armah, Roza Do, Larissa Estes, Lisa Fujie Parks, Jamecca MarshallJuliet SimsSandra Viera
Chief Administrative Officer: Emily Kemp
Administrative Manager: Justin Probert
Senior Advisor: Rea Pañares
Program Coordinators: Rachel Bennett, William L. Haar, Rebekah KharraziKatie Miller, Maureen Silva, Myesha Williams, Andrew White
Communications Specialists: Zack Kaldveer, Sarah Mittermaier
Executive Assistant: Dorit LeavittVeonna Washington
Bookkeeper: Linda Benson
Program Assistants: Alexis Captanian, Casey Castaldi, Ali Goodyear, Alyshia Macaysa, Victoria Nichols, Kinnari ShahVanessa Shih

Staff emails are available with individual staff bios.

Larry Cohen, Founder and Executive Director, MSW

Larry Cohen, founder and Executive Director of Prevention Institute, a non-profit national center dedicated to improving community health and equity through effective primary prevention: taking action to build resilience and to prevent illness and injury before they occur. With an emphasis on health equity, Larry has led many successful public health efforts at the local, state, and federal level on injury and violence prevention, mental health, traffic safety, and food and physical activity-related chronic disease prevention. Larry helped to define violence as a preventable public health concern, and developed one of the nation's first courses on violence prevention. Prior to founding Prevention Institute in 1997, Larry formed the first U.S. coalition to change tobacco policy and created the nation's first multi-city smoking ban. He established the Food and Nutrition Policy Consortium, which catalyzed the nation's food labeling law. Larry also helped shape vehicle safety policy, including strategy to secure passage of bicycle and motorcycle helmet laws, and strengthen child and adult passenger restraint laws. Larry has received numerous awards, including the Injury Control and Emergency Health Services Section Public Service Award from the American Public Health Association. He received his MSW from SUNY Stony Brook. Learn more about Larry.

Anna Realini, Manager of the Executive Office
Anna Realini, Manager of the Executive Office at Prevention Institute, is the principal contact for the Executive Director and provides support to the organization in all program areas with an emphasis on communications, outreach, writing and editing. She coordinates consultation services to government agencies, community collaboratives, nonprofit organizations, and foundations on sustainable strategies to improve health and health equity. Anna also serves as liaison to the Board of Directors. Prior to joining Prevention Institute in 2007, Anna was Membership Director for Media Alliance, a national media justice organization where she directed a health program for independent media workers. Anna's background is in legal services and social justice policy and advocacy.

Rachel Davis, Managing Director, MSW
Rachel Davis, Managing Director at Prevention Institute, oversees management of projects related to prevention violence, community health and reducing inequity, and mental health. She creates tools and materials to support local and state initiatives and educates government agencies, foundations, and community groups throughout the country. Rachel serves as Project Director for UNITY (Urban Networks to Increase Thriving Youth through Violence Prevention), Prevention Institute's CDC-funded national initiative to strengthen and support the largest U.S. cities in more effectively preventing violence. Rachel co-developed THRIVE (Toolkit for Health and Resilience in Vulnerable Environments), an interactive web-based tool to help identify and foster factors in the community environment that improve health outcomes and reduce inequity. She has written numerous publications, including First Steps: Taking Action Early to Prevent Violence. Rachel also co-authored A Time of Opportunity: Local Solutions to Reduce Inequities in Health and Safety, Health for All: California's Strategic Approach to Eliminating Racial and Ethnic Disparities in Health, and Good Health Counts: A 21st Century Approach to Health and Community for California. Prior to joining Prevention Institute in 1997, Rachel had extensive experience as a social worker for the San Francisco Unified School District. Rachel received her MSW from UC Berkeley's School of Social Welfare. Learn more about Rachel.

Leslie Mikkelsen, Managing Director, MPH, RD
Leslie Mikkelsen, Managing Director at Prevention Institute, advances the conceptual work of the organization and supervises the Supporting Healthy Eating and Active Living projects and team. She develops tools and materials to support local and state initiatives, and guides government bureaus, foundations and community organizations throughout the country on effective environmental approaches, coalition building, and interdisciplinary partnerships. Leslie is the co-founder and Project Director for  the Strategic Alliance for Healthy Food and Activity Environments, a statewide advocacy network involved in creating healthy food and physical activity opportunities. Her research and publications had aided in the development of ENACT (Environmental Nutrition and Activity Community Tool), and the ENACT Local Policy Database. She is also a Policy Consultant to the national Convergence Partnership, where she directs research and helps shape national strategy related to policy priorities that support healthy food and activity environments. Leslie has written many articles, including Setting the Record Straight: Nutritionists and Health Professionals Define Healthful Food and Where's the Fruit? Fruit Content of the Most Highly Advertised Children's Food and Beverages. Prior to joining Prevention Institute in 1999, Leslie worked for the Alameda County and New York City Food Banks. Leslie is the winner of the American Public Health Association Food and Nutrition Section 2008 Catherine Cowell Award for Excellence in Public Health Nutrition. She received her MPH from UC Berkeley. Learn more about Leslie.

Manal Aboelata, Managing Director, MPH
Manal J. Aboelata, Managing Director at Prevention Institute works collaboratively to improve access to healthy foods, prevent injuries, and increase access to physical activity opportunities. Her work emphasizes policy and community-based approaches, and demonstrates an overarching commitment to working with under-resourced communities to foster health and safety. Manal coordinates the Strategic Alliance for Healthy Food and Activity Environments, a statewide advocacy network involved in bringing healthy food and physical activity opportunities to all Californians. She chairs the Joint Use Statewide Taskforce (JUST), whose mission is to increase community access to playgrounds through the policy of joint use agreements between school districts and local governments. Manal is principal author of The Built Environment and Health: 11 Profiles of Neighborhood Transformation, Mapping the Movement for Healthy Food and Activity Environments: Organizational Snapshots, a contributing author for Cultivating Common Ground: Linking Health and Sustainable Agriculture, and co-authored Emerging Issues in Improving Food and Physical Activity Environments: Strategies for Addressing Land Use, Transportation, and Safety in 3 California-Wide Initiatives, which was recently published in the American Journal of Public Health. She also is a contributing author on Community Engagement in Design and Planning, a chapter in "Making Healthy Places: Designing and Building for Health, Well-Being, and Sustainability." She is certified as a California Walkability Expert by the California Department of Health Services and CalTrans. Prior to joining Prevention Institute in 1998, Manal received her MPH in Epidemiology from UCLA, where she was inducted into the Iota Chapter of the Delta Omega Honorary Society in 2001 and into the UCLA School of Public Health Alumni Hall of Fame in 2009.

Sana Chehimi, Director, MPH
Sana Chehimi, Program Director at Prevention Institute, oversees projects related to healthy eating and active living, developing tools and strategies to promote healthier, more equitable food environments. She manages Prevention Institute's technical assistance and training work for Communities Creating Healthier Environments, a national initiative of the Robert Wood Johnson Foundation supporting diverse, community-based organizations and tribal groups in developing local policies that build food and recreation equity and address social injustice. Sana oversees national media advocacy efforts supporting prevention and health reform. She provides guidance and support for Strategic Alliance, and its statewide Rapid Response Media Network, providing tools and resources for effective media advocacy to promote healthy eating and active living. Sana is co-editor of Prevention Is Primary: Strategies for Community Wellbeing, one of the first academic texts on primary prevention. Prior to joining Prevention Institute in 2003, Sana worked in the HIV field. She speaks fluent Swedish and French as well as conversational Tunisian. She received her MPH in Health and Social Behavior from UC Berkeley.

Sheila Savannah, Director, MA
Sheila provides leadership on health equity, mental health and violence prevention focus areas. In her leadership role on mental health, she focuses on its intersection with community resilience, and the social determinants of health; with projects aimed at improving outcomes for boys and men of color, and addressing trauma through a public health approach to early childhood development. Previous to her current position, Sheila was a division manager with the Houston Public Health Department, responsible for facilitating the alignment of strategic partnerships, leveraging multi-agency resources for system re-design and workforce development for within their planning, chronic disease and injury prevention unit. In this capacity, she also lead their Office of Adolescent Health and Injury Prevention, including Houston's CDC-funded youth violence prevention initiative, where she fostered partnerships with schools, the police, public works and other city departments to work alongside community and faith organizations to implement evidence-based programs in over ten neighborhood sites aligned with Houston's summer jobs program. With over 30 years of experience in policy analysis, community-level assessment, mobilization and development; as a national trainer; and a CDC Grand Rounds panelist in February 2014 on Preventing Youth Violence, she has expertise in multi-sector collaboration and youth/family engagement in addressing complex system issues of safety and equity.

Elva_Yanez_117x176Elva Yañez, Director, MMLIS

Elva has experience in policy advocacy, strategic planning, civic engagement and communications for non-profit organizations, government agencies and foundations in the areas of public policy, urban parks, public health, land use and the built environment. She has a long history of involvement in community-driven policy initiatives in both the public health and environmental arenas. She has served as director of the Center for Health and Parks at the Trust for Public Land; grant liaison officer at RWJF's SmokeLess States national initiative; deputy director of the RWJF Policy Advocacy on Tobacco and Health initiative; and senior associate director at Americans for Nonsmokers' Rights (ANR). She has been active in numerous local and statewide efforts to enhance access to parks and open space. Elva was appointed to the California State Parks and Recreation Commission in 2011 by Governor Jerry Brown.

Jessica Berthold, Communications Manager, MA
Jessica Berthold joined Prevention Institute in January 2015 as its Communications Manager. She helps design and implement multifaceted communication strategies that increase visibility and awareness of the institute, as well as its key projects and focus areas.  Following stints as an independent book publicist and teacher abroad, she has worked as a journalist for the past 15 years. Most recently, she was the Editor-in-Chief of the American College of Physicians’ ACP Hospitalist magazine and Associate Editor of ACP Internist newspaper, where she  assigned, edited, and wrote features and columns; and managed the design and production of ACP Hospitalist’s print and online editions, as well as the blog and Twitter feed. Her previous positions include working as an energy reporter for Dow Jones Newswires in Los Angeles during the California energy crisis, and as a features reporter for the Allentown Morning Call. She has won numerous national awards for writing and editing, and her work has appeared across the country in publications including the Wall Street Journal, the Chicago Tribune, and the Miami Herald. Jessica has an MA in Journalism and is completing her MPH in Social and Behavioral Sciences.

Niiobli Armah IV, Program Manager, MA
Niiobli Armah, Program Manager at Prevention Institute, works on the Promoting Mental Health and Wellbeing team. He is the former Director of Health Programs for the National Association for the Advancement of Colored People (NAACP) where he was responsible for managing the NAACP's national policy and advocacy work, including HIV/AIDS, healthcare reform, and health equity portfolios. He also has worked at the University of Texas MD Anderson Cancer Center, coordinating the daily operations of CAN DO Houston, a childhood health collaborative focused on policy and environmental change. In 2008, Niiobli was a member of the inaugural class of City Hall Fellows, Inc. He is a graduate of the Southern University Nelson Mandela School of Public Policy with a Bachelor of degree in Political Science and a Master of Arts in Social Science. Niiobli currently serves on the advisory board of Active Living by Design and formerly served on the Safe Routes to Schools National Active Transportation and Share Used Task Forces.

Larissa Estes, Program Manager, DrPH
Larissa joined the Health System Transformation team at Prevention Institute in September 2015. She is interested in integrating evidence-informed strategies into policy and practice in across the health care system and sectors that impact health and wellness. Larissa has prior experience in program planning, implementation, and evaluation, maternal and child health, women's health, and public health policy analysis and strategy development. Prior to Prevention Institute, Larissa served as a Policy Analyst for the Texas Institute of Health Care Quality and Efficiency serving as key programmatic staff in the development legislative policy recommendations to improve health care quality and efficiency across Texas. She also worked at the Houston Department of Health and Human Services as the performance improvement manager and public health accreditation coordinator. From 2005-2007, Larissa was the Vince L. Hutchins Fellow in the Health Resources and Services Administration, Maternal and Child Health Bureau, Office of Women's Health. She has a Bachelor of Science degree in Athletic Training from Duquesne University, a Master of Public Health degree in Family and Child Health from the University of Arizona, and a Doctor of Public Health degree in management, policy and community health from the University of Texas School of Public Health.

lisafpLisa Fujie Parks, Program Manager, MPH
Lisa works to promote community environments that support health and safety, with a focus on strategies to address community determinants of health to promote of health equity, and multi-sector strategies to foster community resilience and prevent injury and trauma. Lisa provides leadership to support PI's training, technical assistance and consultation services across topical areas to national, state, and local coalitions, government agencies, foundations and community organizations. Lisa is experienced in strategy development, policy development, policy advocacy, program design, and program evaluation, has authored numerous reports. She has designed, implemented, and evaluated local and state-level prevention initiatives employing policy, communications, and coalition-building strategies. Lisa also has extensive experience providing leadership in national primary prevention initiatives and capacity building efforts. She has extensive experience developing training curricula and tools, providing in-person and online training and technical assistance (TAT), and facilitating learning networks. Lisa also helped to build the capacity of schools and community-based organizations to foster environments that support adolescent health, with a focus on supporting healthy relationships among young people. Prior to her public health work, Lisa worked in the housing and community development field. Lisa has a BA in International Studies and a Masters in Public Health.

Jamecca Marshall, Program Manager, MPP, MA
Jamecca manages and supports its California Approach to Prevention. Jamecca's role dives into policy, advocacy, research, and program coordination. A native Los Angeleno, she's committed to working toward social justice and equity for communities across the nation. Prior to Prevention Institute, Jamecca served as Urban Peace Policy Manager at the Advancement Project, working in a variety of research, and advocacy roles to manage Urban Peace's violence reduction policy framework, which approached crime and violence as a public health issue. She formerly held the role of the Director of Programs and Development at Team SAFE-T: A California Partnership for Safety, and a Policy Analyst, at the Alliance for Education. Jamecca received her AB from Stanford and her dual Masters of Public Policy and History from George Washington University.
Juliet Sims, Program Manager, MPH
Juliet Sims, Program Manager at Prevention Institute, supports projects related to healthy eating and active living, with an emphasis on local, state, and federal policy initiatives aimed at increasing access to healthful food and limiting marketing practices that promote unhealthy food. She collaborates with agencies and organizations across the country, providing training and consultation to incorporate prevention strategies into their efforts. Juliet also provides staff support for Strategic Alliance, California's statewide network of food and activity advocates, including coordination of its Rapid Response Media Network, which fosters effective media advocacy to advance food and activity policy and practice change. Prior to joining Prevention Institute in 2008, Juliet worked in clinical nutrition. She is a Registered Dietitian, and received her MPH with an emphasis in Nutrition from UC Berkeley.

Sandra R. Viera, Program Manager, MPA
sandravSandra Viera is a graduate of the University of San Francisco with a Masters in Public Administration and Policy and earned her bachelor's degree in Political Science from California State University, Long Beach. She joined Prevention Institute in 2010 working to promote safe and healthy communities through projects focused on improving the built environment and increasing equitable opportunities for physical activity and play. Sandra has provided support to the Healthy Places Coalition, a statewide coalition seeking to advance public health involvement in land-use and transportation planning, as well as the Joint Use Statewide Task Force (JUST) whose mission is to increase community access to playgrounds through the policy of joint use agreements between school districts and local governments. As a Program Manager, Sandra serves as a lead trainer for the organization in the areas of community engagement, stakeholder engagement, coalition building, and cross-sectoral collaboration to audiences that include non-profits, government agencies and grant-making foundations. Prior to joining Prevention Institute, Sandra served as the Associate Director of Policy at Latino Health Access (a non-profit based in Santa Ana, California) where she coordinated multi-sector, long-term healthy eating and active living initiatives focused on changing policy, systems and environmental change.
Emily Kemp, Chief Administrative Officer, MHS
Emily Kemp, PI’s Chief Administrative Officer, received her Master’s in Health Finance and Management from the Johns Hopkins Bloomberg School of Public Health. She has in-depth knowledge of health care financing, grant management, cash management as well as non-profit accounting and operations. Emily also has significant experience negotiating and administering contracts and developing the requisite systems to ensure contractual compliance. Committed to helping organizations embrace change associated with external challenges, she was a member of the original office of managed care at Johns Hopkins Medicine and went on to lead operations and managed care contracting for Baltimore Medical System, a large FQHC in Baltimore. She also has substantial physician practice management experience, including primary care and specialty practices.

Justin Probert, Administrative Manager, BS
Justin Probert, Administrative Manager at Prevention Institute, oversees financial management, human resources, technology, administration, and facilities management. Prior to joining Prevention Institute in 2006, Justin was Operations Director for a statewide youth-led advocacy organization that connects school-based gay-straight alliance clubs to each other and to community resources as part of the safe schools movement. He was Director of Operations for A Home Away From Homelessness, which provides educational, social, and recreational opportunities to homeless and formerly homeless families in San Francisco and Marin counties. He spent eight years at the Tides Center, the national leader in fiscal sponsorship services to hundreds of nonprofit organizations. Justin has served on many local and national boards of directors, reflecting his ongoing commitment to community service. He received his BS in social science from California Polytechnic University, San Luis Obispo.
Rea Pañares, Senior Advisor, MPH
Rea Pañares is currently a health policy and philanthropy consultant in the San Francisco Bay Area. As a Senior Advisor with Prevention Institute, she works on projects to advance community prevention in health reform implementation and health care settings. At The California Endowment, Rea works on projects related to program development and capacity building with a racial equity lens. Most recently, Rea served as Director of Minority Health Initiatives at Families USA, a national nonprofit organization dedicated to the achievement of high-quality, affordable health care for all. Previously, Rea lead efforts in the areas of racial and ethnic health disparities for Grantmakers In Health (GIH). She was also involved with projects related to foundation support for public policy and advocacy, public health, and environmental health. Rea has held positions at the National Business Group on Health and the Centers for Medicare and Medicaid Services. Rea holds a master's degree in health policy and management from the Johns Hopkins Bloomberg School of Public Health and is a graduate of the University of California, Berkeley, in molecular and cellular biology.
Rachel Bennett, Associate Program Manager, MPH, MURP
rachelbRachel Bennett, Program Coordinator at Prevention Institute, works to advance health, safety, and equity through planning and policy approaches. She supports projects related to land use, transportation, regional planning, and community prevention. As a former Prevention Institute intern, Rachel helped prepare the organization’s Testimony to the National Research Council Committee on Health Impact Assessment and supported the establishment of the Public Health Alliance of Southern California. Rachel earned dual Master’s degrees in Public Health and Urban and Regional Planning from UCLA, and a Bachelor’s degree in Psychology from UC Davis. Prior to joining Prevention Institute in 2013, Rachel served as a research and teaching assistant to Richard J. Jackson at UCLA, and worked with the City of Los Angeles Department of Transportation Pedestrian Program, UCLA Complete Streets Initiative, and Seva Foundation.

Roza Do, Associate Program Manager, MPH, MCP
Roza works on the Health System Transformation team to integrate community prevention into health policy and practice. She supports strategy development and demonstration projects on Community-Centered Health Homes to advance clinical practice transformation, partnerships, and policy, systems, and environmental change strategies to improve population health. Prior to joining Prevention Institute in September 2015, Roza was Program Manager at the Center for Care Innovations where she designed and managed grant programs and technical assistance to strengthen community clinics and public hospital systems in California. Her work focused on building capacity for human-centered design and creating peer learning networks to test and spread new approaches and technologies for improving health care access and quality for vulnerable populations. Roza also brings and bridges her previous work experience in health and health care. This includes advancing community school partnerships and health equity at West Contra Costa Unified School District; clinic-community integration and healthy eating and active living initiatives at Kaiser Permanente Community Benefit; and regional quality improvement collaboratives at Pacific Business Group Health. She received a dual master's degree in Public Health (health policy and management) and City Planning (housing, community, economic development), and a bachelor's degree in Public Health and Public Policy from the University of California, Berkeley.
William L. Haar, Associate Program Manager, MPH, MSW
willhaarWilliam works on the Enhancing Prevention in Health Reform team, where he studies and shares emerging innovative health care practices that integrate community prevention with clinical service delivery. Will’s work also includes projects related to healthy eating and active living, including ENACT Day, a yearly advocacy event organized by a diverse coalition of health and social justice organizations that brings community residents and local organizations together to support policies that create environments where healthy eating and physical activity are available to all Californians. Before becoming a program coordinator, Will spent two years working part-time on the communications team at Prevention Institute while completing his graduate studies. Previously, Will conducted evaluation projects for the Sarah Samuel Center for Public Health Research & Evaluation. He has also worked with Health for Oakland’s People & Environment (HOPE) Collaborative, East Oakland Community Playdate, and La Clínica de La Raza. Will has several years’ experience working internationally in China and Poland. He received his Masters of Public Health and his Masters of Social Welfare from UC Berkeley and his bachelor’s degree from Thomas Edison State College of New Jersey. His academic research focused primarily on nutrition policy, particularly related to sugar-sweetened beverages and breastfeeding.

Mego Lin, Associate Program Manager, MPH, MIA
Mego Lien joined the Injury and Trauma Prevention team in February 2016. She supports programmatic, policy and communications work that advances a public health approach to violence and injury prevention.Prior to joining Prevention Institute, Mego was Associate Director of Southeast Asia Programs at Vital Strategies (formerly World Lung Foundation). In this role, she managed public health communication and policy advocacy programs in countries across the region, with a focus on tobacco control and road safety. This work included the first national public education campaigns on tobacco in Indonesia and the Philippines, and supported passage of national tobacco control legislation and a sustainable health promotion fund in Vietnam. Mego has also worked on gender-based violence prevention and policy with the United Nations Development Programme in Thailand, and on health systems-strengthening with the Earth Institute, supporting the federal government of Nigeria. She began her career as a journalist, primarily covering women's health for magazines in the U.S. Mego has been awarded a number of fellowships for study and leadership in the Asia-Pacific region. Mego holds dual Masters of Public Health and International Relations from Columbia University and a Bachelors in Psychology and Education from Swarthmore College. She is proficient in Mandarin and French.

Katie Miller, Associate Program Manager, MPH
As part of Prevention Institute's Health System Transformation team, Katie works to promote community prevention as a key component of ongoing health reform efforts. Katie also provides support for community-centered health homes demonstration projects. Prior to joining Prevention Institute in 2014, Katie worked with local health departments in California and across the country to implement policy, systems, and environmental change strategies to improve community wellness-most recently as part of CDC's Community Transformation Grant initiative at Public Health Institute in Oakland, CA, and previously as part of CDC's ACHIEVE initiative at the National Association of County and City Health Officials in Washington, DC. She also previously worked as a health educator and public information officer at Escambia County Health Department in Pensacola, FL. She received her MPH from Tulane University School of Public Health and Tropical Medicine and her BA in Political Science from the University of California, Berkeley.

Maureen Silva, Associate Program Manager, MPH
Maureen coordinates a wide range of projects to promote access to healthy foods and active environments across California communities and nationwide. Maureen works to expand health initiatives that build momentum and community capacity to support healthy eating, physical activity, and safe places to play, through a focus on health equity and primary prevention strategies. As part of the team that supports California-based initiatives, Maureen helps to coordinate an annual statewide policy advocacy event, ENACT Day. She provides technical assistance to local and state health departments to develop cross-cutting strategies to embed land-use planning, transportation, and healthy food access into community prevention efforts. Maureen provides national consultations through the CDC’s Community Transformation Grants (CTG), and is a trainer for Prevention is Primary series for the Health Exchange Academy. Prior to joining Prevention Institute, Maureen worked as a Community Nutrition Educator with the University of California Cooperative Extension, teaching nutrition and food resource management courses through the UC CalFresh Nutrition Education Program and Expanded Food and Nutrition Education Program (EFNEP) in Contra Costa County. Maureen acquired her Masters’ degree in Public Health from San Jose State University, and received her bachelor’s degree from California State University Chico.
Rebekah Kharrazi, Program Coordinator, MPH, CPH
Rebekah joined Prevention Institute in May 2015 as a post-graduate fellow and now works as a Program Coordinator supporting PI's national efforts on community prevention policy and advocacy. She provides staffing for PI's Health System Transformation team where her efforts include research and analysis on the social and economic benefits of investing in community prevention. Most recently, Rebekah worked in older adult falls prevention, first supporting the New York City Falls Prevention Coalition, then managing a collaboration between Columbia University Mailman School of Public Health, the Centers for Disease Control and Prevention, and the New York City Department of Health and Mental Hygiene that developed a falls risk screening and community resources toolkit for community-based organizations. Before receiving her Masters of Public Health from Columbia University Mailman School of Public Health in Epidemiology and Health Policy in 2014, Rebekah worked as a Legislative Assistant for Governor Jerry Brown of California.
Myesha Williams, Program Coordinator, MSW
Myesha works to advance health equity, promote community safety and prevent violence affecting youth. She was born and raised in Oakland, CA, where she returned after studying and organizing in southern California and Seattle, Washington. She has a B.A. and a Masters of Social Work in Social Welfare, with a focus on community organizing and policy advocacy. Prior to joining Prevention Institute, Myesha helped run an environmental justice youth leadership program called New Voices are Rising at the Rose Foundation for Communities and the Environment. Her experience includes work with Critical Resistance Oakland and Californians United for a Responsible Budget (CURB) on issues such as community centered policy advocacy, the state budget, coalition building, and reducing California’s reliance on the prison-industrial complex.
Andrew White, Financial and Administrative Coordinator, BA
Andrew works with the Finance and Administrative team assisting with grant reporting, human resources, facilities management and organizational compliance. Prior to joining Prevention Institute in 2015, Andrew worked in a San Francisco start-up, a public policy research firm and is Veteran of the US Military. Andrew graduated from the University of California, Berkeley with a Bachelor's degree in Peace and Conflict Studies.
Zack Kaldveer, Communications Specialist, MA
Zack is a Communications Specialist at the Prevention Institute, providing support in design and implementation of core communication strategies and promotion of key organization projects and focus areas. Prior to joining Prevention Institute, Zack worked as an advocate on a diverse range of local, statewide, and national environmental, economic and social justice issues. More specifically, Zack served has served as the Communications Director for the Next Generation, an Oakland-based progressive political consulting firm, Assistant Media Director for the Organic Consumers Association, a national public interest organization that campaigns for health, justice, and sustainability, Assistant Media Director for California’s Proposition 37 Campaign to label foods that have been genetically-engineered, and Communications Director for the Consumer Federation of California (CFC), a non-profit consumer rights and economic justice organization. Zack received a Bachelor's Degree from the University of California at San Diego in Communications, and a Master's Degree from San Diego State University, also in Communications.
Sarah Mittermaier, Communications Specialist, BA
Sarah Mittermaier, Communications Specialist at Prevention Institute, coordinates communications efforts for Prevention Institute and the Strategic Alliance for Healthy Food and Activity Environments, with a focus on California policy, food policy, tobacco control and prevention, and health equity. Prior to joining Prevention Institute in 2012, she worked as a Program Assistant at the Wisconsin Department of Health Services, supporting Communities Putting Prevention to Work. Sarah earned her BA in Journalism and History from the University of Wisconsin-Madison.
Dorit Leavitt, Executive Assistant, MPH
Dorit is the Executive Assistant to Rachel Davis and Sheila Savannah, and supports the organization's work in violence prevention, mental health, and health equity. Previous to her current role, Dorit developed and managed various community-based initiatives in the U.S. and abroad with a focus on: adult education, health literacy, social entrepreneurship, and ecologically and socially appropriate technologies. In 2010, Dorit founded a social enterprise in Guatemala that supports local artisans and small family businesses, which she continues to oversee. Dorit received her BA in Anthropology from the University of Minnesota, and her Master of Public Health from the City University of New York.

Veonna Washington, Executive Assistant, BA

Veonna provides administrative support to Managing Director Manal Aboelata and Director Elva Yañez, and is responsible for handling outreach and correspondence on their behalf. She provides logistical and technical support to the Los Angeles office and the executive staff on-site. Veonna works closely with the Chief Administrative Officer, and other executive staff, to implement systems and protocols for the organization. Veonna provides high-level support to the California Approach team, including the development of project management tools. Prior to joining Prevention Institute in 2015, Veonna worked as a Research Manager for Lieberman Research Worldwide from 2012-2015, where she managed a wide range of consumer-based, domestic and international marketing research studies across several corporate industries, and furthered her experience in data management and analysis. In 2008, Veonna joined the United States Army Reserve as a Psychological Operations Specialist, specializing in product development and target audience analysis. Simultaneously, Veonna completed her studies at the University of California at Los Angeles, where she received her Bachelor of Arts in Psychology, with a minor in Statistics in 2012.

Linda Benson, Bookkeeper
Linda Benson, Bookkeeper at Prevention Institute, handles the financial aspects of Prevention Institute's work, including grant budget reporting, accounts payable, accounts receivable, and organizational compliance. Linda feels privileged to have witnessed the impact the Institute has made in the public health sector. Prior to joining Prevention Institute shortly after its inception in 1997, Linda spent over fifteen years in the accounting industry, working with CPAs and focusing primarily in the nonprofit sector.

Michi Arguedas, Program Assistant, BA
Michi supports the organization in a multi-faceted role. She provides support for general prevention publications; she supports the Health Systems Transformation team on projects relating to cross-sectoral convergence and advancing health through community-based prevention strategies; she also provides support with scheduling and other executive assistant duties. She is particularly interested in implementing a cross-cultural and cross-sectoral approach to establishing safe and healthy environments for youth. Prior to joining PI in 2015, Michi worked as an educator and youth mentor in New York City and Brazil. Michi received her BA in Spanish and Latin American Cultures and Portuguese and Brazilian Studies from Barnard College of Columbia University.

Alexis Captanian, Program Assistant, BA
Alexis supports the organization’s Mental Health team, as well as its growing international work. Prior to joining Prevention Institute in 2014, she worked as a writing and communication tutor within Mzumbe University’s Health Monitoring and Evaluation Masters Degree Program in Tanzania. During 2012 she lived and studied in Chile, and later served as a bilingual Spanish research assistant examining access and health outcomes in Chilean primary health care. She has also worked on a variety of other projects related to poverty, homelessness, teen health, and the health impacts of climate change. Alexis received her BA in Public Health from the University of California at Berkeley.
Casey Castaldi, Program Assistant, BA
Casey supports projects related to preventing injury and trauma, including the UNITY initiative, Urban Networks to Increase Thriving Youth. She helps develop collaborative multi-sector strategies to prevent violence and create safer communities. Prior to joining Prevention Institute, Casey worked for the University of California, Davis, coordinating the Provost’s Forums on the Public University and the Social Good. She has also worked with non-profit organizations in Sacramento area focused on public health, food access and health equity. Casey earned her bachelor’s degree in Community and Regional Development from UC Davis.
Ali_rAli Goodyear, Program Assistant, BA
Ali supports projects that prevent violence and promote community health and safety. This includes publications and tools that address multiple forms of violence and trauma using a public health approach. Prior to joining Prevention Institute in 2015, Ali worked as a research and clinic coordinator at the University of Chicago on projects relating to eating disorders. She has also worked to integrate mental health care into community settings and improve access to mental health care. Ali received her BA in psychology from Washington University in St. Louis with a minor in public health.
Alyshia Macaysa, Program Assistant, BA
Alyshia supports projects related to advancing health equity and understanding the root causes of what shape community environments to be safe and healthy places. In addition, she oversees the Administrative Assistant program which offers undergraduate students the opportunity to acquire practical skills and insights about working in public health. Prior to joining Prevention Institute, Alyshia served as an intern for Oyate Tupu'anga, a community health group focused on the mental health of queer indigenous populations and as an HIV counselor for The Berkeley Free Clinic. Alyshia earned her BA in Psychology and Social Welfare from the University of California, Berkeley.
Victoria Nichols, Program Assistant, BA

Victoria Nichols, Program Assistant at Prevention Institute, supports the Transforming Our Health System team on projects related to advancing health care practices by integrating community prevention strategies. She is particularly interested in exploring community health prevention strategies and investigating public policy strategies to support a financially sustainable system of health. Prior to joining Prevention Institute in 2015, Victoria worked for the Center for Genetics and Society, a non-profit organization based in Berkeley, California. Driven by a passion for reproductive health and social justice, she also worked as a consultant for Public Health Institute and as an intern for various Los Angeles-based law offices during the summers of her undergraduate career. Victoria earned her bachelor's degree in Philosophy and Government from Claremont McKenna College.

Kinnari Shah, Program Assistant, BA
Kinnari is a member of the Communications team, providing support on social media, press outreach, supporter engagement, and website development. She also provides administrative support to the Executive Office. Prior to joining Prevention Institute in 2014, Kinnari worked with diverse groups of youth from the Oakland and Berkeley United school district. She assisted teachers in the classroom and mentored youth in afterschool programs, bringing a strengths-based approach and equity lens to teaching. She also has experience working with youth in Peru, teaching English, Physical Education, Art and Music in Spanish. Kinnari earned her Bachelor's degree in Interdisciplinary Studies with a focus on Education and Society from the University of California at Berkeley.

Vanessa Shih, Program Assistant, BA
Vanessa supports the organization in a multi-faceted role. She supports THRIVE, Community Tool for Health and Resilience in Vulnerable Environments, and the Health Equity team. She also plays a key coordination role in the development and oversight of Prevention Institute consultation presentation materials. Vanessa received her BA in Fine Art Photography from San Francisco State.