Prior to his arrival at the FBI, Mr. Mudd served as Deputy Director of the DCI Counter Terrorism Center (CTC), a position he was appointed to in December 2003. In his capacity as the Deputy Director, CTC, Mr. Mudd was responsible for overseeing operational, analytical, and support programs in the Center.

Mr. Mudd joined the CIA in 1985 as a leadership analyst responsible for South Asian issues and continued as a political analyst specializing in South Asia until the early 1990s. He first shifted to work at CTC during 1992-1995, focusing largely on terrorism in the Middle East in general, with an emphasis on Iranian state-sponsored terrorism. He later joined that National Intelligence Council for a tour as Deputy National Intelligence Officer for Near East and South Asian issues. Mr. Mudd worked as the Executive Assistant to the Associate Deputy Director for Intelligence in 1998-1999 and then spent two years as chief of CIA's analytic group directed against Iraq. From February 2001 to January 2002, he was the Director for Gulf Affairs Near East and North African Affairs at the National Security Council. He then returned to become the Deputy Director of the Office of Terrorism Analysis, the analytic arm of the CTC.