Herbert Raymond "H. R." McMaster (born July 24, 1962) is a United States Army lieutenant general and the incoming National Security Advisor to President Donald Trump. His current military assignment is Director of the Army Capabilities Integration Center, and Deputy Commanding General, Futures, U.S. Army Training and Doctrine Command.
McMaster's prior assignments include Commanding General, Ft. Benning Maneuver Center of Excellence, and Director of the Combined Joint Interagency Task Force-Shafafiyat at the International Security Assistance Force Headquarters in Kabul, Afghanistan. He is known for his roles in the Gulf War, Operation Enduring Freedom, and Operation Iraqi Freedom. McMaster authored the book Dereliction of Duty in 1997, which criticized the actions of high-ranking U.S. military leadership during the Vietnam War.
McMaster was born in Philadelphia on July 24, 1962. He went to high school at Valley Forge Military Academy, graduating in 1980. He earned a commission as a second lieutenant upon graduating from the United States Military Academy at West Point in 1984. McMaster earned a Master of Arts and Ph.D. in American history from the University of North Carolina at Chapel Hill (UNC). His thesis was critical of American strategy in the Vietnam War, which was further detailed in his 1997 book Dereliction of Duty.