Robert C. O'Brien

Robert Charles O'Brien Jr., born on June 18, 1966, is a distinguished American attorney and diplomat known for his significant contributions to national security. He served as the twenty-seventh United States national security advisor from 2019 to 2021, making history as the fourth and final individual to hold this pivotal role during Donald Trump's first presidency.

With a robust background in law and political staffing, O'Brien has navigated complex political landscapes, demonstrating a commitment to safeguarding national interests. His tenure as national security advisor was marked by critical decisions and strategic initiatives that shaped U.S. foreign policy during a tumultuous period.

Currently, O'Brien is the chairman of the American Global Strategies consulting firm, where he continues to influence global affairs and provide expert guidance on security matters. His extensive experience in both the public and private sectors positions him as a key figure in contemporary diplomacy.