John Stern Wolf was sworn in as Assistant Secretary for the Bureau of Nonproliferation on October 2, 2001.

Mr. Wolf entered duty as a Foreign Service officer with the Department of State in 1970. He has served in Australia, Vietnam, Greece, and Pakistan as well as in Washington. Mr. Wolf was Principal Deputy Assistant Secretary for International Organization Affairs from 1989-92. He served as Ambassador to Malaysia from 1992-95. He was appointed Coordinator for Asia-Pacific Economic Cooperation (APEC) in January 1996, and confirmed by the Senate as Ambassador for APEC in February 1997. From 1999-2000, Mr. Wolf served as Special Adviser to the President and Secretary of State for Caspian Basin Energy Diplomacy. President Bush nominated him to be Assistant Secretary for Nonproliferation on September 11, 2001. In his June 4, 2003 speech at Aqaba, President Bush announced the appointment of Ambassador Wolf as head of the road map coordinating and monitoring mission.