H.R. McMaster, former head of the National Security Council under President Donald Trump, has found his first post-retirement gig.

Starting this fall, the retired three-star general will fill multiple teaching and research positions at Stanford University, where he has a long history as a visiting scholar.

McMaster will hold the Fouad and Michelle Ajami senior fellowship at the Hoover Institution, a conservative-leaning think tank located on campus, and teach management courses at the university’s graduate school of business. He will also be a fellow at Stanford’s Freeman Spogli Institute for International Studies, the San Jose Mercury News reported Tuesday.

McMaster retired from the Army in June after a decorated, 34-year career that included combat leadership positions in Iraq and Afghanistan. He served as national security adviser from February 2017 until his resignation in April, ending a 14-month tenure that was marked at times by deep disagreements with other White House national security officials, including Trump himself. (RELATED: Nurse Charged With Involuntary Manslaughter In Death Of H.R. McMaster’s Father)

Along with his extensive battlefield experience, McMaster brings serious academic credentials to his new Stanford roles. He earned a Ph.D. in American history at the University of North Carolina at Chapel Hill in 1996 and was a visiting fellow at the Hoover institution from 2003 to 2017. McMaster is also the author of “Dereliction of Duty,” a widely hailed book about the failures of U.S. military and national security leaders under former President Lyndon Johnson during the Vietnam War.

“H.R. McMaster is a soldier-scholar who has seen war from every angle — on the hot battlefield and through the cold judgment of history,” said Amy Zegart, a co-director of the Center for International Security and Cooperation at Hoover, according to the Mercury News.

McMaster intends to write another substantive book on national security policy while working at Stanford, the Wall Street Journal reported.

The U.S. has to find “new forms of deterrence” against China’s “new forms of economic aggression” and Russia’s attempts to undermine Washington’s “strategic competence,” he told TheWSJ in an interview published Sunday.

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