Shear, David Bruce, 1954-

David Bruce Shear (born 1954) served as the Assistant Secretary of Defense for Asian and Pacific Security Affairs (2014-2016). Prior to his nomination for this position, he served as United States Ambassador to Vietnam (2011-2014).

Prior to his ambassadorship, he served in Sapporo, Beijing, Tokyo, and Kuala Lumpur. In Washington, Ambassador Shear has served in the Offices of Japanese, Chinese, and Korean Affairs and as the Special Assistant to the Under Secretary for Political Affairs. He was Director of the Office of Chinese and Mongolian Affairs in 2008-2009 and served as Deputy Assistant Secretary in the Bureau of East Asian and Pacific Affairs in 2009-2011.

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