Roger-Mark De Souza

PROFILE

Roger-Mark De Souza is vice president for environment at The Pew Charitable Trusts. In this role, he helps shape and lead a portfolio that works to conserve ecosystems and address critical threats to people and nature, including climate change and biodiversity loss.

De Souza joined Pew with more than 30 years of experience driving innovation and building social, economic, health, and environmental projects around the world, with a focus on empowering local communities. His work combines strategic insight with public and private partnerships to achieve scalable solutions for complex challenges facing the environment. De Souza’s extensive domestic and international experience includes influencing policy change in a nonpartisan manner, cultivating relationships with partners and donors, and co-developing large-scale initiatives.

Throughout his career, De Souza has served in senior leadership positions across multiple organizations. Most recently, he was the vice president of sustainable markets at Pact. His previous roles include chief movement building officer at Amnesty International-USA, president and chief executive officer of Sister Cities International, and director of global sustainability and resilience at The Woodrow Wilson Center. De Souza has also served in organizations such as Population Action International, Sierra Club, Population Reference Bureau, and World Resources Institute.

De Souza holds a bachelor’s degree in French and Spanish and a postgraduate degree in international relations from the University of the West Indies in Trinidad and Tobago and a master’s degree in international development policy from The George Washington University.