Assistant Secretaries of State for International Security and
Nonproliferation - Principal Officers - People - Department
History
Assistant Secretaries of State for International Security and Nonproliferation
;The Bureau of International Security and Non-Proliferation formed on July 29, 2005, with the merger of the Bureau of Non-Proliferation and the Bureau of Arms Control.
- John C. Rood (2006–2007)
- Thomas M. Countryman (2011–2017)
- Christopher A. Ford (2018)