Tom Countryman

Tom Countryman is a seasoned American diplomat and former U.S. Assistant Secretary of State for International Security and Nonproliferation, where he focused on nuclear nonproliferation and arms control. He has served in various capacities within the U.S. government, including roles in the Department of State and the U.S. Embassy in multiple countries. Countryman is well-regarded for his advocacy of diplomacy and multilateral engagement to address global security challenges.