Thomas E. Donilon
Thomas E. "Tom" Donilon (born May 14, 1955) is an American lawyer and former government official who served as National Security Advisor in the Obama administration. Previously, he served together with diplomat Wendy Sherman as Agency Review Team Lead for the State Department in the Obama transition, and as Deputy to National Security Advisor James Jones early in the Obama administration. Donilon replaced Jones as National Security Advisor on October 8, 2010. Donilon tendered his resignation as National Security Adviser on 5th June 2013 and has been succeeded by Susan Rice. He is a former member of the Steering Committee of the Bilderberg Group. Donilon returned to O'Melveny & Myers in May 2014 as Vice Chair of the firm and a member of the firm’s Policy Committee.