With more than 20 years’ experience, Roger-Mark is a recognized analyst, author, and speaker on reproductive health, population, health and environment linkages, sustainable development, and demographic trends, linking social and policy aspects of these areas in research, advocacy, and evaluation. Roger-Mark’s experience also rests in building NGO and government partnerships, implementing field programs, and engaging the philanthropic community. From 2007 to 2010, as the Director of Foundation and Corporate Relations at the Sierra Club, he planned, led and implemented a multi-million dollar foundation and corporate fundraising program for the Club’s climate recovery work. Prior to working at the Sierra Club, Roger-Mark directed the population, health and environment program at the Population Reference Bureau for 10 years where he designed and implemented research projects, capacity building programs, and communications initiatives in the United States, Africa, Southeast Asia, and Latin America and the Caribbean. Previously, he worked at the World Resources Institute and the Pan American Development Foundation. Roger-Mark holds graduate degrees in international relations and development policy from the George Washington University and the University of the West Indies. He is fluent in French and Spanish. Born and raised in the Caribbean, he now lives in Virginia with his wife, two teenage sons, and dog, Boo Boo.