Ambassador Michael Carpenter was nominated by President Biden to serve as the Permanent Representative of the United States of America to the Organization for Security and Co-operation in Europe (OSCE) and was confirmed by the United States Senate on 3 November 2021 by unanimous consent. Prior to assuming the position, Dr Carpenter was a managing director of the Penn Biden Center for Diplomacy and Global Engagement at the University of Pennsylvania. From 2015 to 2017, he served in the Pentagon as Deputy Assistant Secretary of Defense for Russia, Ukraine, Eurasia and Conventional Arms Control. Previously, he worked in the White House as a foreign policy advisor to then-Vice President Biden and as Director for Russia at the National Security Council. Prior to his White House roles, Ambassador Carpenter was a career foreign service officer with the State Department, where his roles included Deputy Director of the Office of Russian Affairs, Special Assistant to the Under Secretary for Political Affairs, Political-Military Officer in the Office of European Security and Political Affairs, and Advisor on Regional Conflicts in the Office of Caucasus Affairs and Regional Conflicts.