Roger-Mark De Souza was the director of population, environmental security, and resilience for the Wilson Center from 2013-2017. He lead programs on climate change resilience, reproductive and maternal health, environmental security, and livelihoods, including the Global Sustainability and Resilience Program, Environmental Change and Security Program, and Maternal Health Initiative.

Before joining the Center in 2013, De Souza served as vice president of research and director of the climate program at Population Action International, where he provided strategic guidance, technical oversight, and management of programs on population, gender, climate change, environment, and reproductive health. From 2007 to 2010, as the director of foundation and corporate relations at the Sierra Club, he led a multi-million dollar foundation and corporate fundraising program. Prior to working at the Sierra Club, he directed the Population, Health, and Environment Program at the Population Reference Bureau for 10 years, where he designed and implemented research, communications, and capacity-building projects in the United States, Africa, Southeast Asia, and Latin America and the Caribbean.

De Souza holds graduate degrees in international relations and development policy from George Washington University and the University of the West Indies.

Roger-Mark speaks at a New America Media and Raben Group event on diversity in the environmental movement (December 2014)


Major Publications

De Souza, Roger-Mark. “Building Resilience for Peace: Water, Security, and Strategic Interests in Mindanao, Philippines” in Water, Security, and US Foreign Policy (David Reed, Ed) Routledge (2017).

De Souza, Roger-Mark. “Beautiful, Vulnerable, Innovative: Challenges and Opportunities for the Caribbean as Incubators of Responsible Innovation” in Coastal Tourism, Sustainability and Climate Change in the Caribbean (Martha Honey and Samantha Hogenson, Eds). Business Expert Press (2017). 

De Souza, Roger-Mark. “Demographic Resilience: Linking Population Dynamics, the Environment and Security,” The SAIS Review of International Affairs, 35, no. 1 (2015) 17-27.

De Souza, Roger-Mark. “Resilience, Integrated Development and Family Planning: Building Long Term Solutions.” Reproductive Health Matters, 22, no. 43 (2014): 75-83.

Mutunga, Clive, Eliya Zulu, and Roger-Mark De Souza. (2013, September). Population Dynamics, Climate Change, and Sustainable Development in Africa. Washington DC; Population Action International and African Institute for Development Policy.

De Souza, Roger-Mark. (2009, September). “Taking Stock: Linking Population, Health and the Environment.” In A Pivotal Moment: Population, Justice and the Environmental Challenge, ed. Laurie Mazur (321-328). Washington DC: Island Press.

De Souza, Roger-Mark. (2009, June). “The Integration Imperative: How to Improve Development Programs by Linking Population, Health and Environment.” Environmental Change and Security Program FOCUS Report. Issue 19. Washington DC: Woodrow Wilson International Center for Scholars.

De Souza, Roger-Mark, Geoff Heinrich, Shannon Senefeld, Katharine Coon, Peter Sebanja, Jessica Ogden, Daulos Mauambeta, Nancy Gelman, and Judy Oglethorpe. (2008, May). “Using innovation to address HIV, AIDS, and environment links: intervention case studies from Zimbabwe, Uganda, and Malawi.” Population and Environment 29(3-5): 219-246. Netherlands: Springer.

De Souza, Roger-Mark. (2008). Scaling up Integrated Population, Health and Environment Approaches in the Philippines: A Review of Early Experiences. Washington, DC: World Wildlife Fund and the Population Reference Bureau.