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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Doug McNair
Deputy Director, Integrated Development
Dr. Doug McNair assists the foundation’s disease-focused programs with biostatistics and quantitative trial design and simulation.
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Doulaye Kone
Director, Water, Sanitation & Hygiene
Doulaye Kone leads the foundation’s efforts to ensure access to safe sanitation for the 3.5 billion people who currently live without it.
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Dr. Folake Olayinka
Global health specialist and STAR Fellow, Public Health Institute, USA
Dr. Folake Olayinka is a medical doctor and global health specialist with over 25 years of experience. She has expertise in routine immunization, polio eradication, maternal and child health, HIV/AIDS, and malaria programs.
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Dr. Githinji Gitahi
Group Chief Executive Officer, Amref Health Africa
Since 2015, Dr.Githinji Gitahi is the Group Chief Executive Officer of Amref Health Africa, the largest Africa-based healthcare nonprofit. Dr. Gitahi is also the PMNCH Strategy Advocacy Committee Co-Chair as well as Governing Board Member of Africa Center for Disease Control and Prevention (Africa CDC).
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Dr. Samba Sow
Director-general, Center for Vaccine Development-Mali (CVD-Mali)
Dr. Samba Sow has been director-general of the Center for Vaccine Development-Mali since its inception in 2001. He led Mali’s response to the Ebola outbreak in 2014 and has since overseen the country’s COVID-19 response. A former Minister of Health, he is also adjunct professor of medicine at the Center for Vaccine Development and Global…
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Dr. Sanjana Bhardwaj
Deputy Director, Program Advocacy and Communications, Family Planning / Maternal Newborn and Child Health / Primary Health Care
Deputy Director, Program Advocacy and Communications, Family Planning / Maternal Newborn and Child Health / Primary Health Care Programs Connect
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Duncan Steele
Deputy Director and Strategic Lead for Enteric Vaccines
Duncan Steele leads a team focused on vaccine research and development and implementation strategies for the control of diarrhea and enteric fever in vulnerable populations.
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Dylan George
Deputy Director, Discovery, Products & Surveillance
Dylan George leads the application of data, analytics, and modeling at the Institute for Disease Modeling.
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Edward Wenger
Deputy Director, Scientific Engineering, Architecture & Technology Accelerator
Edward Wenger sets the overall technology vision at the Institute for Disease Modeling and leads teams that support product development and surveillance design.
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.


















