Gary Espinas is a Professorial Lecturer in the Security Policy Studies Program at the Elliott School of International Affairs, where he teaches a course on Russia and International Security. In addition to teaching at GWU, Gary holds the position of Class of 1960 Distinguished Visiting Professor in National Security at the United States Naval Academy in Annapolis, Maryland. Gary served a 26-year career in the United States Army and retired as a colonel. He held multiple joint assignments as a political-military officer and arms control advisor, including the U.S. Embassy in Moscow Russia; the Department of State, and the Office of the Under Secretary of Defense for Policy. Gary's final military assignment was Military Professor in National Security Affairs and Foreign Area Officer (FAO) Chair at the Naval Postgraduate School in Monterey, California. As a government civilian, Gary was a Regional Program Lead for Europe in the Institute for Security Governance, Defense Security Cooperation University, Defense Security Cooperation Agency.