National Nuclear Security Administration (NNSA)
Presidential Management Fellow
U.S. Embassy Beijing
Political Officer
U.S. Department of State
Nonproliferation Officer, Office of Korean Affairs
Nuclear Threat Initiative
Senior Director for Fuel Cycle and Verification
U.S. Department of State
Special Assistant to the Special Advisor for Nonproliferation and Arms Control
U.S. Department of State
Deputy Lead Coordinator (Acting), Office of Iran Nuclear Implementation
U.S. Department of State
Assistant Coordinator for Iran Nuclear Issues, Office of Iran Nuclear Implementation
United States Department of Defense
Deputy Assistant Secretary of Defense for Nuclear and CWMD Policy
The White House
Director for Nonproliferation, National Security Council Staff
United States Department of Defense
Deputy Assistant Secretary of Defense for Countering Weapons of Mass Destruction
Princeton University
Claremont McKenna College