Arizona State University
2008 - present
Associate Professor
School of Public Affairs

Arizona State University
2003 - 2008
Assistant Professor
School of Public Affairs

Columbia University
2002 - 2003
Assistant Professor
MPA Program, School of International and Public Affairs

Bucknell University
2001 - 2002
Instructor
Environmental Studies Program

Georgia Institute of Technology
1999 - 2002
Research Engineer (Public Policy Group)
Air Quality Laboratory
School of Civil and Environmental Engineering

Georgia Institute of Technology
1998 - 1999
Graduate Research Assistant (Public Policy Group)
Air Quality Laboratory
School of Earth and Atmospheric Sciences

Trinity Consultants, Inc.
1998
Environmental Engineer
Atlanta, Georgia

Georgia Institute of Technology
1993 - 1998
Research Assistant
Environmental Hydraulics & Water Resources Lab
School of Civil and Environmental Engineering

Mobil Oil Corporation
1992
Project Engineer
Ft. Lauderdale, Florida