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Mitsuaki Hirai

United States of America

Mitsuaki Hirai Member since 08/05/2026

Global Environment Facility Independent Evaluation Office

Evaluation Officer
Website

Mitsuaki Hirai is a public health professional with over 10 years of experience in water, sanitation and hygiene (WASH), global health, and monitoring and evaluation.

Prior to joining GEF IEO, he worked for UNICEF where he conducted WASH and health project monitoring, led knowledge management activities, and published multiple peer-reviewed journal articles to inform evidence-based programming in Zimbabwe and Somalia.

Previously, he also completed a two-year evaluation fellowship at the U.S. Centers for Disease Control and Prevention (CDC) on global health program monitoring and worked for Village Hopecore International as a Global Health Fellow. He holds a Doctor of Public Health (DrPH) from George Washington University, a Master of Public Health (MPH) from UCLA School of Public Health, and a Bachelor of Arts (BA) from Soka University of America.

My contributions

  • Blog

    Long-Term Efforts to Bear Fruits of International Cooperation: Insights from the International Waters Evaluation

    La pollution des milieux marins et des eaux douces dans les masses d'eau transfrontalières constitue l'un des défis environnementaux les plus pressants de notre époque. Chaque jour, des déchets plastiques équivalant à plus de 2 000 camions-poubelles sont déversés dans les rivières, les lacs et les océans. Étant donné qu’environ 60 pour cent de l’eau douce mondiale circule dans des eaux transfrontalières, la pollution s'arrête rarement aux frontières nationales, affectant les écosystèmes et les communautés bien au-delà de son point d'origine. Cette réalité souligne l'importance cruciale d'une...
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