Retired United States Army Lieutenant General and former National Security Advisor to President Donald Trump from 2017 to 2018, military strategist, author, and academic with extensive experience in strategic leadership and national security policy.
H.R. McMaster is a retired U.S. Army Lieutenant General known for his service as the 26th National Security Advisor under President Donald Trump.
He has held key military command positions, including command of the 3rd Armored Cavalry Regiment in Iraq.
McMaster is recognized for his expertise in counterinsurgency, military strategy, and national security policy.
After retiring from the military, he has been involved in academia and public speaking, contributing to discussions on defense and security challenges.

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