Principal Deputy Director William H. Moser assumed the duties of Acting Director of the US State Department’s Bureau of Overseas Buildings Operations in January 2017. He is the former Ambassador to the Republic of Moldova where he served from 2011 to 2015.

Since joining the diplomatic corps in 1984, he has served in Ukraine, Kazakhstan, Egypt, Suriname, and Mali. He served as the Principal Deputy Director for Overseas Buildings Operations and Deputy Assistant Secretary for Logistics Management. Other Washington assignments include 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.

He has had several overseas assignments have included tours as the Management Counselor at US Embassy Kiev, Energy Attaché/Economic Officer and Management Officer at US Embassy Almaty, Administrative Officer at US Embassy Paramaribo, Financial Management Officer at US Embassy Cairo, and Consular Officer/Staff Assistant at US Embassy Bonn. He began his diplomatic career as a General Services Officer at US Embassy Bamako, Mali.

William Moser received his Bachelor’s degree in Political Science from the University of North Carolina at Chapel Hill.​