Christopher Klein is the Deputy Chief of Mission of U.S. Embassy Hanoi. He entered the Foreign Service in 1998. He served as Deputy Executive Secretary in the State Department from 2017-2019. His previous Washington assignments included Deputy Director of the Office of China and Mongolia Affairs and Special Assistant in the Bureau of East Asia-Pacific Affairs. He served twice at the U.S. Mission to the United Nations 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. 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.