Bill & Melinda Gates Foundation
Authors / Biography

Stefano Bertozzi

Title Director, HIV
Organization Bill & Melinda Gates Foundation

Dr. Stefano Bertozzi, director of HIV, oversees grants in HIV vaccine development, biomedical prevention research, diagnostics development and resistance monitoring, and strategies for introduction and scaling-up of interventions.

Bertozzi worked with the foundation in his previous roles at UNAIDS, the World Health Organization (WHO) and the World Bank. He was with the National Institute of Public Health (INSP) in Mexico from 1998-2009. As the director of its Center for Evaluation Research & Surveys, he led economics and statistics teams that conducted impact evaluations of large health and social programs in Mexico, and elsewhere in Africa, Asia and Latin America. He also led the INSP's AIDS/Sexually Transmitted Infections research group, is a member of the Global Fund's Technical Evaluation Reference Group and UNAIDS’ Economics Reference Group, and chairs the Steering Committee of aids2031.

Bertozzi’s research has covered a diverse range of projects in health economics and policy, focusing on the economic aspects of HIV/AIDS and on the health impact of large social programs.

He received his BS in Biology and PhD in Health Policy and Management from MIT, his MD from University of California, San Diego, and residency training in internal medicine at University of California, San Francisco. Dr. Bertozzi has lived in and/or worked with developing countries in Africa, Asia, and Latin America since 1988, and speaks English, French, Spanish, and Italian.

Posts By Stefano Bertozzi

A New Set of HIV Targets Can Create Long-Term Impact

While measuring the quantity of interventions is important, we also need to determine which interventions — and which approaches to them — create the greatest long-term impact.

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Up for Debate: Turning the Tide on AIDS

Despite evidence of measurable progress, it’s important to recognize that we still don’t have all of the tools that we need to end AIDS. While the rate of new HIV infections is going down, the epidemic continues to outpace efforts to control it.

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AIDS: Getting the Best Value for Money

World AIDS Day provides us an annual occasion to pause, reflect, and take stock of how we are doing in the fight against HIV.

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AIDS at 30: Time to Act

The HIV/AIDS pandemic was ten years old in 1991 when I joined the University of California at San Francisco as a young medical resident. It was a humbling time to begin practicing medicine; almost all of our AIDS patients died within two years of diagnosis.

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Beating HIV/AIDS

People often ask me what’s different about working at the Gates Foundation. I always say that it’s nice to have a boss who is even more impatient than I am about stopping the spread of HIV.

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