Expertise: American political and diplomatic history, national security, military history, counterinsurgency, counterterrorism
Brigadier General H. R. McMaster is a research fellow at the Hoover Institution. He was a national security affairs fellow at Hoover from 2002 to 2003.
McMaster has served in numerous command and staff positions in armor and cavalry units in the United States and Germany. He has served at the National Training Center at Fort Irwin, California. He commanded Eagle Troop, Second Armored Cavalry Regiment, in Bamberg, Germany, and Southwest Asia during Operations Desert Shield, Desert Storm, and the occupation of southern Iraq. He commanded the 1st Squadron, 4th Cavalry, in Schweinfurt, Germany from October 1999 until June 2002. He served as director of the Commander's Advisory Group for the commander of the U.S. Central Command from 2003 to 2004. He was senior research associate at the International Institute for Strategic Studies in London and served as special assistant to the commander, Multinational Force Iraq.
McMaster taught history at the United States Military Academy from 1994 to 1996.
He is the author of the award-winning book Dereliction of Duty: Lyndon Johnson, Robert McNamara, the Joint Chiefs of Staff, and the Lies That Led to Vietnam. He has published numerous articles on historical and national security affairs topics in edited volumes, newspapers, magazines, and professional journals.
His military decorations include the Silver Star Medal, the Legion of Merit, the Bronze Star Medal with Oak Leaf Cluster, and the Purple Heart Medal.
McMaster received his BA from the United States Military Academy in 1984. He holds a PhD in American history from the University of North Carolina at Chapel Hill. He is a member of the Council on Foreign Relations.