Robert O'Brien

Robert O'Brien served as the 28th United States National Security Advisor to President Donald Trump from September 2019 to January 2021. Prior to this role, he was an attorney and diplomat focused on international law, counterterrorism, and foreign policy issues. He also served as the Special Presidential Envoy for Hostage Affairs.

About

Robert Charles O'Brien is an American attorney and former government official specializing in national security and international diplomacy.
He served as National Security Advisor during the Trump administration, where he was deeply involved in shaping U.S. foreign policy and counterterrorism strategies.
His career spans legal counsel roles, diplomatic assignments, and high-level government advisory positions, including facilitating hostage negotiations and managing complex security frameworks.