Mark Lotwis is the vice president of policy and government relations at InterAction, where he helps shape important policy decisions on humanitarian, relief and long-term development issues. Prior to InterAction, Lotwis served as senior director of campaign advocacy at the Save Darfur Coalition. He also worked as executive director of 21st century Democrats, as a partner of two leading media consulting firms and as chief of staff to U.S. Representative Ted Strickland.