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Leadership & Staff

Invest Health Program Team

Jennifer Fassbender

Director, Program Initiatives


Jennifer Fassbender is the Director of Program Initiatives at Reinvestment Fund. She provides leadership in the program development, delivery, and quality control components for the initiative and engages with external stakeholders on strategic partnerships. With over 20 years of experience in healthcare delivery, research, administration, and advocacy, she has served in a national leadership role with the American Diabetes Association and acted as Program Director for The Children’s Hospital of Philadelphia’s Healthy Weight Program, as well as Senior Research Project Manager for a health disparities research group at the University of Pennsylvania. She is an ACSM certified clinical exercise physiologist and represents Reinvestment Fund on the National Academies of Science, Engineering, and Medicine’s Roundtable on Obesity Solutions and has co-authored numerous scientific publications. She studied at the Pennsylvania State University and did her graduate work in Exercise Physiology at the University of South Carolina’s Arnold School of Public Health.

Amanda High

Chief of Strategic Initiatives


Amanda High is Reinvestment Fund’s Chief of Strategic Initiatives, responsible for managing the interconnection of strategic resource development, communications, and program innovation. In this position, Ms. High is responsible for launching initiatives, achieved by implementing new products, programs and partnerships. She joined Reinvestment Fund in 2014, bringing over 20 years of experience leading high impact initiatives for national and international non-profit and development organizations. Prior to Reinvestment Fund, Ms. High served as the Head of Resource Mobilization at the Alliance for a Green Revolution in Africa (AGRA), an organization working across the African continent to help millions of small-scale farmers and their families lift themselves out of poverty and hunger. Her career also includes service with the U.S. Department of State, the American Red Cross in Asia and Africa, and the National Philanthropic Trust. Ms. High completed master’s degree coursework in Economics and International Affairs at the Johns Hopkins University Paul H. Nitze School of Advanced International Studies (SAIS) and a bachelor’s degree from Princeton University.

Sara Vernon Sterman

Chief Program Officer


Sara Vernon Sterman currently serves as Chief Program Officer at Reinvestment Fund. In this position, she expands on Reinvestment Fund’s work in Healthy Communities by focusing on investment models that integrate the organization’s lending and policy work in education, health care, childcare, food, social services, and affordable housing. Additionally, she co-directs Reinvestment Fund’s Pay for Success investments. Previously Ms. Sterman served as Chief Lending Officer, responsible for leading business development, originations and relationship management within Reinvestment Fund’s lending operation. Prior to joining Reinvestment Fund in 1999, she taught elementary school in New York City and Washington, D.C., with the Teach For America program, and was a program director for Teach For America in eastern North Carolina. Ms. Sterman holds an M.S.W from the School of Social Work and an M.B.A from the Wharton School of the University of Pennsylvania.

Olivia Foster

Program Associate


Olivia Foster is Program Associate for Invest Health and Building Healthier, More Equitable Communities. In this role, she provides logistical, technical, and programming assistance to participating cities in support of their work in building healthier communities. Before joining Reinvestment Fund, Ms. Foster started a small-scale vegetable farm in Sewell, NJ, growing and selling fresh vegetables to the surrounding community. She also worked as an Urban Planner at CHPlanning, a black-owned, woman-owned planning firm based in Philadelphia. In 2020, Ms. Foster received her Bachelor of Science in Civil Engineering from Princeton with minors in Urban Studies and Architecture.

National Advisory Committee


Ivye Allen

President of Foundation for the Mid South


Jeffrey Brown

Founder, President, and CEO of Brown’s Super Stores, Inc


Ray Daffner

Community Development Consultant


David Fleming

Vice President, Global Health Programs of PATH


Jenny Ismert

Vice President of Policy & Strategy for UnitedHealth Group


Otis Samuel Johnson

Scholar in Residence at Savannah State University


Michael MacAffee

President at PolicyLink


John Moon

Vice President of Climate Aligned Philanthropy and Partnerships at Wells Fargo


Rebecca Morley

Founder and President of Rebecca Morley Consulting


Maggie Super Church

Vice President for Marketing Innovation and Impact at CLF Massacheusetts


Mark Van Brundt

Chief Operating Officer at Raza Development Fund


Paul Weech

Principal of Innovative Housing Strategies, LLC