Leadership
The foundation’s leaders come from a broad range of backgrounds and have a diversity of expertise and experience that spans science and technology, medicine, public policy, education, communications, law, and business. Our leaders are guided by the foundation’s mission to create a world in which every person has the opportunity to live a healthy, productive life.
Executive Leadership
Chair and Governing Board
Scientific Advisory Committee
Our Scientific Advisory Committee comprises a group of esteemed experts from outside of the foundation who offer a wide range of experiences and perspectives. This group plays an important role in strengthening our work by offering independent assessments of our Global Health Division strategies and helping us evaluate results.
Meet our leaders
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Christopher J. Elias
President, Global Development
Dr. Chris Elias leads the foundation’s efforts to strengthen the systems that make health care more accessible, equitable, and effective.
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Adrien de Chaisemartin
Deputy Director, Gavi, Immunization Partners, and Special Initiatives
Adrien de Chaisemartin leads the Foundation’s engagement with Gavi, the Vaccine Alliance, and other immunization partners and initiatives. He joined the foundation in 2021 to lead a team working on COVID-19 vaccine supply during the COVID-19 pandemic.
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Ananda Bandyopadhyay
Deputy Director, Technology, Research & Analytics, Polio
Dr. Ananda Bandyopadhyay leads foundation’s research and development efforts aimed at achieving and sustaining polio eradication.
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Andrew Stein
Deputy Director, Non-Endemic Outbreaks, Polio
Andrew Stein leads the Polio program’s Outbreaks team, which works to improve polio outbreak response with the goal of achieving global eradication.
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Archna Vyas
Director, India Office
Archna Vyas leads the foundation’s work in India, which ranges from health care and sanitation to agricultural development, gender equality, and financial inclusion.
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Bhupendra Tripathi
Deputy Director, Infectious Diseases and Vaccine Delivery
Dr. Bhupendra Tripathi leads the foundation’s infectious disease and vaccine delivery efforts in India and is based in the India Country Office.
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Boniface Njenga
Deputy Director, Health Delivery and Systems, Africa
Boniface Njenga leads the foundation’s work to improve the delivery of health services in Africa through innovative health system solutions.
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Carmen Carpio
Deputy Director, Multilateral Development Banks
Carmen Carpio leads the foundation’s engagement with multilateral development banks—including the World Bank, the Global Financing Facility, and the Lives and Livelihoods Fund—on shared global health priorities.
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Cheikh Oumar Seydi
Former Senior Advisor, Africa
Oumar Seydi oversaw the foundation’s work in Africa.
Historical Leadership
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Melinda French Gates
Co-chair (2000-2024)
View profile: Melinda French GatesMelinda French Gates is a philanthropist, businesswoman, and global advocate for women and girls. She founded and co-chaired the Gates…
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Warren Buffett
Trustee 2006-2021 (emeritus 2021)
View profile: Warren BuffettWarren Buffett helped shape our vision and developed strategies to address some of the world’s most challenging inequities.
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William Gates Sr.
Co-chair 2000-2020 (d. 2020)
View profile: William Gates Sr.William H. Gates Sr. (d. 2020) guided the vision and strategic direction of the foundation and served as an advocate…
More about the foundation

Our role
For over 25 years, the Gates Foundation has been committed to fighting the greatest inequities in the world.

How we work
We are focused on results. Those that can be measured. And those measured in ways beyond numbers.

Our story
Learn about the origins of the foundation and the values that drive our work.

















