International Security Advisory Board

International Security Advisory Board is an advisory committee of the U.S. Department of State. On its website the State Department describes its role as being to "advice on all aspects of arms control, disarmament, international security, and related aspects of public diplomacy."

The board was previously called the Arms Control and Nonproliferation Advisory Board (ACNAB). "The ISAB," the department's website states, "is sponsored and overseen by the Under Secretary for Arms Control and International Security. The Board provides its recommendations directly to the Secretary of State. The Board currently has 18 members and is chartered to have up to 25. Board members are national security experts with scientific, military, diplomatic, and political backgrounds. The Board meets in a plenary session on a quarterly basis."