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President Donald Trump speaks during a meeting with business leaders at the US Ambassador’s Residence on October 28, 2025, in Tokyo, Japan. (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.