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Defense Secretary Pete Hegseth speaks during a news conference at the Pentagon on June 22, 2025. (Andrew Harnik via Getty Images)
Former National Security Advisor and Chairman of American Global Strategies, LLC.
Ambassador (Ret.) Robert C. O’Brien is the co-founder and chairman of American Global Strategies. He was the 28th U.S. national security adviser from
Ambassador (Ret.) Robert C. O’Brien is the co-founder and chairman of American Global Strategies. He was the 28th U.S. national security adviser from 2019-2021.