Adjunct Professor
Washington, District of Columbia
Georgetown University
Adjunct Professor
Federation of American Scientists
President
James Martin Center for Nonproliferation Studies
Scientist-in-Residence
The National Academies
Senior Director, Nuclear and Radiation Studies Board
Council on Foreign Relations
Senior Fellow for Science and Technology
University of Maryland
Postdoctoral Fellow
The National Academies
Senior Director, Board on Chemical Sciences and Technology
U.S. Department of State
Foreign Affairs Officer
Boston University Graduate School of Arts & Sciences
Nuclear Power School - Naval Nuclear Power Training Command (NNPTC)
United States Naval Academy