Experience:
Professor and Chair, Dept. of Computer Science, Rensselaer Polytechnic Institute, 2003-present
Principle Member of Technical Staff, Sandia National Laboratories, 1998-2003
Associate Professor, Dept. of Computer Science, Texas A&M University, 1995-2000
Assistant Professor, Dept. of Computer Science, Texas A&M University, 1990-1995
Assistant Professor, Dept. of Systems and Industrial Engineering, University of Arizona, 1988-1990
Research Assistant, Dept. of Systems Engineering, University of Pennsylvania, 1982-1987
Mechanical Engineer, Lawrence Livermore Laboratory, 1979-1982

Visiting Positions:
Associate Professor, Dept. of Electrical Engineering, Rice University, 1996-1997
Assistant Professor, Dept. of Mechanical Engineering, University of Wollongong, 1987-1988
Summer Faculty Fellow, Jet Propulsion Laboratory, summer 1989
Designer/Draftsman, Gupton Engineering Associates, 1978