Dr. Falkenrath is Adjunct Senior Fellow for Counterterrorism and Homeland Security at the Council on Foreign Relations. He also currently serves as Principal of the Chertoff Group, LLC. From 2006 to 2010, Falkenrath served as the New York City Police Department’s Deputy Commissioner for Counterterrorism, where he strengthened the city’s overall effort to prevent, prepare for, and respond to terrorist attacks. Previously, Falkenrath was an analyst at CNN and Senior Fellow at the Brookings Institution, where he focused on global efforts to combat terrorism and reduce societal “tail risks.” From 2001 to 2004, he held several leadership positions within the White House advising the president and his senior team, including Director for Proliferation Strategy within the National Security Council.