Gara LaMarche (born August 26, 1954) is the president of the Democracy Alliance, a network of liberal donors who coordinate their political giving. LaMarche previously served as president and CEO of The Atlantic Philanthropies. Prior to joining the Atlantic Philanthropies, he served as vice president and director of U.S. programs for The Open Society Institute. In his tenure at the Atlantic Philanthropies, LaMarche led the foundation's shift to a social justice approach to grant-making.