Ambassador
The Lauder Institute
Wharton School - University of Pennsylvania
2019
Present
Senior Global Fellow
The Lauder Institute
Wharton School - University of Pennsylvania
2019
Present
Ambassador to Saudi Arabia
Kingdom of Saudi Arabia
2014
2017
Under Secretary of the U.S. Army
U.S. Army
U.S. Department of Defense
2009
2014
Chancellor and Professor of Political Science
University of Maine System
2002
2009
Professor
the New School University
2008
2008
Assistant Secretary of the Army for Civil Works (U.S. Army Corps of Engineers)
U.S. Department of Defense
1998
2001
Senior Policy Advisor
U.S. Environmental Protection Agency
1997
1998
Executive Director
Congressional Sunbelt Caucus
United States Congress
1995
1997
Associate Professor of Political Science
Oklahoma State University
1975
1987
Chief Management Officer
U.S. Army
U.S. Department of Defense
Provost
the New School University
Vice President for Research
the New School University
Secretary of the Army (Acting)
U.S Department of Defense