Sam Worthington is Chief Executive Officer of InterAction, the largest U.S. alliance of nongovernmental international organizations, with more than 220 members and partners. Mr. Worthington leads the U.S. NGO sector’s engagement with the UN, governments, and civil society groups around the world. He testifies before the U.S. Congress, routinely consults with the administration, speaks to boards and at universities, and is a regular contributor on numerous national and international media outlets. Mr. Worthington is a member of the Council on Foreign Relations; serves on the Advisory Committee for Voluntary Foreign Assistance (ACVFA) at USAID and the Inter-Agency Standing Committee (IASC) at the UN; and sits on the boards of the Center for Disaster Philanthropy, Van Leer Group Foundation, FORUS, and The Alliance to End Hunger. Previously he served as chief executive officer of Plan International USA (1994 to 2006) and as a policy fellow at the Rockefeller Foundation’s Bellagio Center.