On October 23, the White House announced Trump’s intention to appoint senior career diplomat Matthias Mitman of Virginia, to be the Executive Secretary of the National Security Council. The WH released the following brief bio:
Mr. Mitman, a career member of the Senior Foreign Service, class of Minister-Counselor, most recently served as Chief of Staff to the Special Presidential Envoy for Hostage Affairs. He previously served as Principal Officer in U.S. Consulates General in Jeddah, Saudi Arabia; Erbil, Iraq; and Basrah, Iraq. Mr. Mitman was also the Deputy Chief of Mission at U.S. Embassy Tegucigalpa, Honduras and Minister Counselor for Economic Affairs at U.S. Embassy Moscow, Russia. This will be his third detail to the National Security Council, having earlier served as Senior Duty Officer in the White House Situation Room and as Director for Iraq. Before joining the Foreign Service, Mr. Mitman taught as an Assistant Professor of Economics at Ball State University. He is a Distinguished Graduate of the National War College and earned an A.B. from Wabash College.
The most recent Special Presidential Envoy for Hostage Affairs Robert O’Brien was named this Administration’s fourth National Security Advisor in September following the departure of John Bolton (see Trump Names Hostage Envoy Robert O’Brien His Fourth National Security Advisor).