Colonel Guy Roberts has a long history of association with the Center, including serving as a co-editor (with Professors Moore and Turner) of the 1995 and 2006 editions of National Security Law Documents. As a Marine colonel, he graduated first in his class from the Naval War College and served as Staff Judge Advocate to U.S. Southern Command (SOUTHCOM). After retiring from the U.S. Marine Corps he served as Acting Deputy Assistant Secretary of Defense and Principal Director for Negotiations Policy in the Office of the Secretary of Defense, where he represented the Defense Department at international arms control and disarmament negotiations and conferences around the world. Subsequently, he was appointed Deputy Assistant Secretary General for Weapons of Mass Destruction Policy, and Director, Nuclear Policy Planning Directorate, at the North Atlantic Treaty Organization (NATO). Colonel Roberts has worked closely with the Center on many issues, including as a regular lecturer at the annual National Security Law Institute. In November 2017, Colonel Roberts was confirmed as Assistant Secretary of Defense for Nuclear, Chemical and Biological Defense Programs in the Department of Defense.