Thomas S. Warrick is a nonresident senior fellow with the Middle East programs at the Atlantic Council. Prior to joining the Atlantic Council, from August 2008 to June 2019 he was the Deputy Assistant Secretary for Counterterrorism Policy at the US Department of Homeland Security (DHS) and a career member of the Senior Executive Service. He was an international lawyer in private practice for 17 years, representing companies in connection with investments in the Middle East and elsewhere.
From 1997 to 2007, he served in the US Department of State on Middle East and international justice issues. From 1997 to 2001, Warrick was Deputy in the Office of the Secretary / Office of War Crimes Issues. In 2001, he became Special Adviser, then Senior Adviser, to the Assistant Secretary of State for Near Eastern Affairs, working on Iraq, Iran, and other issues. From 2002 to 2003, he led the State Depart¬ment’s “Future of Iraq” project. From October 2003 to June 2006, he served in both Baghdad and Washington. From July 2006 to July 2007, he was Director (Acting) for Iraq Political Affairs. He was briefly Senior Political Adviser on the Iran desk in 2007.
Warrick joined the US Department of Homeland Security in August 2007 as Director for the Middle East, Africa, and South Asia in the Office of Policy. He became Deputy Assistant Secretary for Counterterrorism Policy, in the Office of Policy, in August 2008. In February 2015, Warrick was named Deputy Counterterrorism Coordinator for Policy by the DHS Counterterrorism Coordinator and Under Secretary for Intelligence & Analysis. In July 2018, when the counterterrorism policy mission was returned to the DHS Office of Policy, Warrick resumed his title of Deputy Assistant Secretary for Counterterrorism Policy in the Office of Policy / Office of Threat Prevention and Security Policy. Warrick concluded his service as Deputy Assistant Secretary for Counterterrorism Policy on June 14, 2019.
For the Department of Homeland Security and the State Department, Mr. Warrick has worked on national strategies involving counterterrorism, Iran, defeating ISIS, Iraq, Syria, Turkey, Lebanon, Egypt, South Asia, Africa, West Africa Counterterrorism, Somalia, Lebanese Hezbollah, Afghanistan, Pakistan, Israeli-Palestinian affairs, countering terrorist propaganda, Terrorist Travel, Terrorist Use of the Internet, and Russia.