head of
- University of Puerto Rico, Mayaguez Dean, College of Engineering 2000 -
- University of Puerto Rico, Mayaguez Director, Center for Research and Development 1999 - 2000
- University of Puerto Rico, Mayaguez Associate Dean of Academic Affairs, College of Engineering 1998 - 1999
- Department of Electrical and Computer Engineering Director, Center for Computing Research and Development 1994 - 1998
- Department of Electrical and Computer Engineering Associate Director 1990 - 1998
- Department of Electrical and Computer Engineering Director, Laboratory of Remote Sensing and Image Processing 1989 - 1998