Martin W. Bloem, MD, Ph.D., is a Professor of Environmental Health in the Department of Environmental Health and Engineering and a joint appointment in the Department of International Health in the School of Public Health.

Until November 2022, he was the inaugural Robert S. Lawrence Professor and director of the Johns Hopkins Center for a Livable Future (CLF). He joined the Center in 2017, relocating to Baltimore from Rome, where he spent 12 years as a senior nutrition adviser at the United Nations World Food Programme (2005-20017) and as a Global Coordinator for the Joint United Nations Programme on HIV/AIDS. His appointment as professor at the school and director of CLF followed years of service to the Bloomberg School of Public Health as an adjunct associate professor. From 1998 to 2005, Martin worked as country director and regional director at Helen Keller International in the Asia-Pacific Region.

Martin has focused on challenges that include climate change, public health, nutrition, micronutrient deficiencies, HIV/AIDS, humanitarian emergencies, food security, and food access, particularly in low- and middle-income countries. As a coordinator of global HIV/AIDS efforts, he experienced first-hand how solutions to complex problems require a systems approach.

Martin has built and strengthened long-term strategic partnerships and collaboration with external stakeholders throughout his career. Martin is a person of color (Eurasian) born and raised in the Netherlands. He earned his medical degree from the University of Utrecht and his doctorate in Nutritional Sciences from the University of Maastricht. His career includes posts spanning academia, government, and non-governmental organizations in the Netherlands, Thailand, Bangladesh, Indonesia, Singapore, and, most recently, Italy. He has co-authored and co-edited seven books and more than one hundred peer-reviewed articles.