David Heyman is a senior fellow and director of the CSIS Homeland Security Program and an adjunct professor in security studies at Georgetown University. Heyman leads the Center’s research and program activities in homeland security, focusing on developing the strategies and policies to help build and transform U.S. federal, state, local, and private-sector homeland security institutions. He is an expert on terrorism, critical infrastructure protection, bioterrorism, and risk-based security. Most recently, he was the principal architect of, and helped run, “Steadfast Resolve,” a cabinet-level tabletop exercise that examined critical decision making at the National Security Council and Homeland Security Council during the next potential terrorist attack.  Before joining CSIS, Heyman served in a number of government positions, including as a senior adviser to the U.S. Secretary of Energy and at the White House Office of Science and Technology Policy on national security and international affairs. Prior to that, he was the head of international operations for a private-sector software/systems engineering firm developing supply-chain management systems for Fortune 100 firms. He has worked in Europe, Russia, and the Middle East.