H. R. McMaster
Herbert Raymond McMaster (born July 24, 1962) is a retired U.S. Army lieutenant general, historian, and author. He served as the 26th National Security Advisor under President Donald Trump from February 2017 to April 2018. McMaster has a distinguished military career, commanding troops during the Gulf War, the Iraq War, and the War in Afghanistan. He holds a Ph.D. in American history and has authored influential books on warfare, notably “Dereliction of Duty.” McMaster is known for his strategic thinking, advocating for a clear and comprehensive national security strategy. His tenure as National Security Advisor was marked by a pragmatic and analytical approach.