About Us

Kristi Ebong, MBA, MPH

Managing Director, Social Impact Funds

As Managing Director of the Social Impact Funds, Kristi Ebong leads strategy, capital deployment and partnerships to advance scalable solutions addressing the social drivers of health. She sits at the intersection of philanthropy, investment and large-scale health systems, translating donor capital into measurable, community-level impact.

Kristi is an early-stage venture investor and ecosystem builder focused on turning innovation into durable, scalable companies across health care and technology. She was previously an investor at HealthX Ventures, where she partnered closely with founders and supported portfolio growth.

Her career has centered on building the infrastructure around innovation — accelerators, venture funds and partnerships that help ideas emerging from universities, health systems and research environments reach the market. She was an early team member at Define Ventures and a seed-stage operator at Orbita, working across product, go-to-market and commercial strategy.

Earlier, Kristi served as Head of Emerging Technology at Cedars-Sinai, where she launched the Cedars-Sinai Accelerator powered by Techstars and worked alongside the system’s venture arm.

She has also held roles with the Robert Wood Johnson Foundation, the U.S. Department of HHS and Epic Systems. Kristi holds degrees from the University of Wisconsin–Madison and The Johns Hopkins University. She lives in the Bay Area with her family.

Mark McCoy, MBA

Senior Principal, Social Impact Funds

As Senior Principal, Mark McCoy is responsible for sourcing, conducting due diligence and negotiating terms for new investments for the Social Impact Funds.

Mark brings 15 years of diversified capital markets experience to his role, including more than a decade specializing in impact investing. He has designed, launched and managed small business development programs, impact assessments and bespoke investment products across five continents for numerous public and private institutions including the World Bank/IFC, CDC Group, Norfund, Deutsche Bank, SIDA and others.

Mark started his career at Archer Daniels Midland trading commodity option contracts at the Chicago Board of Trade and later founded a social enterprise in the hospitality sector while living in Nairobi, Kenya. Upon moving back to the U.S., Mark has worked for private family offices in various portfolio management and direct investment roles with varied focus including food security, equitable health, poverty reduction, peace and security and access to capital markets.

Mark holds an International MBA from the University of Denver and a BS in finance and economics from North Park University.

Sarah Young, MPA

Principal, Social Impact Funds

As Social Impact Funds Principal, Sarah Young channels her dedication to creating meaningful social change through strategic investments in health-focused solutions. She leads investments that tackle the social drivers of health and expand access to resources in underserved communities.

Sarah’s investment approach is deeply informed by her extensive startup operations experience. Prior to her investment career, Sarah spent more than seven years in early-stage, venture-backed tech startups, managing functions across finance, sales operations, business development and customer experience. This hands-on experience gave her invaluable insight into the challenges and opportunities facing scaling companies.

Sarah is involved in All Raise, the leading organization supporting women in venture capital. She holds an MPA in Social Impact Investment from New York University and a BA in Rhetoric & Public Advocacy from Indiana University Bloomington.

Jessica O’Neill, PhD, MPH

Head of Impact

Dr. Jessica O’Neill leads the strategy for measuring, communicating and learning from the impact of Social Impact Funds’ investments. A cognitive and behavioral scientist and expert in social drivers of health, Jessica’s 16 years of experience include academic research and teaching, nonprofit leadership and strategic planning for international humanitarian assistance.

Prior to joining the American Heart Association, Jessica served as an analytics advisor at USAid where she developed a program of research that advised Congress on humanitarian funding decisions in the Farm Bill, spearheaded the development of a geospatial mapping tool used to select the implementation area for a $100M resilience and food security program in Madagascar and was nominated for the AI task team to draft agency AI policy and facilitate private sector engagement.

Jessica has also served as a science and technology policy fellow with the American Association for the Advancement of Science. There she led the agriculture and nutrition affinity group and co-founded the AI policy affinity group. She holds a PhD in community health and health behavior and an MPH and BS in biological sciences from the University at Buffalo where she competed as an NCAA Division I track athlete.

Haroon Khan

Senior Program Coordinator

As Senior Program Coordinator, Haroon Khan is responsible for supporting the Social Impact Funds team by managing grants, communicating with investees and sourcing.

Haroon first joined the American Heart Association as an intern before serving as Project Coordinator for the Bernard J. Tyson Office of Health. He has helped coordinate internal projects, manage diversity and inclusion initiatives and plan education initiatives. Haroon has also served as an intern for the Empowered to Serve team, where he helped pilot and support the Hispanic Serving Institute Scholarship Fund in 2021 and beyond.

Haroon holds a BA in public health from Baylor University.