Christopher Klein is Principal Deputy Assistant Secretary for International Organization Affairs. He started in the position October 25, 2021. Prior to this assignment, he was Deputy Chief of Mission at the U.S. Embassy in Hanoi. He served as Deputy Executive Secretary in the State Department’s Executive Secretariat from 2017-2019. His previous Washington assignments included Deputy Director of the Office of Chinese and Mongolian Affairs and Special Assistant in the East Asia-Pacific Bureau. He served twice at the U.S. Mission to the UN in New York – first as Staff Assistant and Political Officer early in his career, then as Political Minister-Counselor from 2013-2017. His overseas assignments included the U.S. Embassies in Paris, Baghdad, Beijing, and Ashgabat, Turkmenistan. In 2019, he won the State Department’s Equal Employment Opportunity Award for promoting diversity and inclusion. Prior to joining the Foreign Service, he was a journalist; his work appeared in The Moscow Times, New York Newsday, and The National Law Journal. He graduated from San Francisco State University and the National War College.