Ms. Epstein is an art lecturer and volunteer. She serves on the boards of several non-profit organizations, including Pathfinder International, Planned Parenthood of Metropolitan Washington, Center for Development and Population Activities, and The Population Institute. She has served as a volunteer for the Urban League and as an organizer for civil rights marches in Washington, D.C. She is a graduate of Oberlin College and Simmons School of Social Work. Daughter of Pathfinder International's founder, Dr. Clarence J. Gamble, has been an active member of the board of Planned Parenthood of Metropolitan Washington, DC (PPMW). A volunteer for PPMW, she has counseled women on the maternity wards at the District of Columbia General Hospital and has spoken to many groups, particularly adolescents, on family planning. Ms. Epstein is a former member of the board of the Population Institute, The Centre for Development and Population Activities, and of World Learning. She currently serves on the boards of the Federation for American Immigration Reform and Population Services International. She has traveled widely in developing countries. She and her husband, Donald Collins, founder of International Services Assistance Fund (ISAF) and their team have received permission for a Phase III trial of Quinacrine Steriliz.