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Core Leadership

Man E. Charurat, PhD, MHS,
Global Director


David J. Riedel, MD, MPH,
Medical Director

Reshma Bhattacharjee

Reshma Bhattacharjee, MBBS, MS, MPH, Senior Tech Advisor,
Case-Based Surveillance

Peter Memiah

Peter Memiah, PhD, MS,
Director, Quality and Outcomes

Anne Rhodes

Anne Rhodes
Technical Director, Population-based HIV Impact Surveys


Kristen Stafford, PhD, MPH,
Associate Director, Technical


Alash’le Abimiku, PhD,
Senior Technical Advisor,
Laboratory Services

Joyce Johnson

Joyce Johnson,
Senior Strategy Advisor & Special Projects Program Administrator

John Nagiecki

John Nagiecki, MA,
Director, Communications and External Affairs

Pacha Villalba-Diebold, MS

Pacha Villalba-Diebold, MHS,
Associate Director, Country Management and Operations

Chinedu Agbakwuru

Chinedu Agbakwuru, MBBS, MS,
Senior Technical Advisor, Population HIV Impact Assessments

Marie-Claude Lavoie, PhD, MPH,
Director, Strategic Information
and Evaluation


Stephen Ohakanu,
Director, Health Informatics

Country Leadership

Cyprien Baribwira, MD

Cyprien Baribwira, MD,
Rwanda Country Director

Ndwapi, Ndwapi, MD

Ndwapi, Ndwapi, MD,
Botswana Country Director

Emily Koech, MD

Emily Koech, MD,
Kenya Country Director

Robert L. Scheneberger, MD

Robert L. Scheneberger, MD,
Zambia Country Director

Abubakar M. Maghimbi, MD

Abubakar M. Maghimbi, MD,
Tanzania Country Director


Kristen Stafford, PhD, MPH,
Nigeria Country Director



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