Mark Brzezinski is the President & CEO of Brzezinski Global Strategies LLC, a position he has held since 2025, having previously led Brzezinski Strategies from 2019 to 2021. He is an American lawyer and diplomat who served as the United States Ambassador to Poland from 2022 to 2025. Prior to this, he was the United States Ambassador to Sweden from 2011 to 2015 under President Barack Obama.