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Ambassador William H. Moser


Ambassador William H. Moser was appointed Director of the Bureau of Overseas Buildings Operation (OBO) on October 25, 2021.  In this capacity, Ambassador Moser directs the American diplomatic real estate portfolio and $2 billion annually appropriated capital security construction program globally. OBO manages a diplomatic portfolio in 291 locations worldwide and is currently executing over $20 billion of ongoing construction.  Mr. Moser has previously served OBO as Acting Director and Principal Deputy Director.

Mr. Moser was confirmed by the Senate to serve as the U.S. Ambassador to Kazakhstan from 2019 – 2021 and the Republic of Moldova from 2011 to 2015.

Ambassador Moser has had a distinguished career as a member of the U.S. Foreign Service.  Since joining the diplomatic corps in 1984, his Washington assignments have included Deputy Assistant Secretary for Logistics Management, the Director of Global Support Services and Innovation, the Deputy Executive Director for European and Eurasian Affairs, Post Management Officer in the Bureau of Near Eastern and South Asian Affairs, and Political-Military Affairs Officer in the Bureau of Political Military Affairs.

Ambassador Moser’s overseas assignments have included tours as the Management Counselor at U.S. Embassy Kiev, Energy Attaché/Economic Officer and Management Officer at U.S. Embassy Almaty, Administrative Officer at U.S. Embassy Paramaribo, Financial Management Officer at U.S. Embassy Cairo and Consular Officer/Staff Assistant at U.S. Embassy Bonn.   Ambassador Moser began his diplomatic career as a General Services Officer at U.S. Embassy Bamako, Mali.  He is fluent in Russian, German, and French.

A dedicated public servant, Ambassador Moser has won numerous commendations throughout his career for his contributions to international affairs, management, and public policy.  In July 2011, Ambassador Moser was awarded the Secretary of Defense’s Medal for Distinguished Civilian Service.  In 2003, he won the Leamon R. Hunt Award for Administrative Excellence.

Born and raised in North Carolina, Ambassador Moser received a B.A. in Political Science from the University of North Carolina at Chapel Hill.  He is married and has three children.

U.S. Department of State

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