H. R. McMaster is the Fouad and Michelle Ajami Senior Fellow at the Hoover Institution at Stanford University. McMaster served as a U.S. Army officer for thirty-four years and retired as a lieutenant general in 2018. He remained on active duty while serving as the twenty-sixth assistant to the president for national security affairs. He is the author of three bestsellers, Dereliction of Duty, Battlegrounds, and At War with Ourselves.
