1/17/12 - 1/16/13: Program Director, Process and Reaction Engineering (CBET Division), National Science Foundation, Arlington, VA
1/14 - present: Professor of Health Sciences, Virginia Tech Faculty of Health Sciences, Virginia Polytechnic Institute and State University ("Virginia Tech"), Blacksburg, VA.
8/07 - present: Professor, Chemical Engineering, Virginia Polytechnic Institute and State University ("Virginia Tech"), Blacksburg, VA.
11/07 - present: Adjunct Professor, Chemical, Materials and Biomolecular Engineering, University of Connecticut, Storrs, CT.
6/06 - 8/07: Professor, Chemical, Materials and Biomolecular Engineering, University of Connecticut, Storrs, CT.
9/04 - 6/06: Professor, Chemical Engineering, University of Connecticut, Storrs, CT.
7/04 - 8/07: Director of School of Engineering Computing Services, University of Connecticut.
7/99 - 5/04: Director of Graduate Studies, Chemical Engineering, University of Connecticut, CT.
9/97 - 8/04: Associate Professor, Chemical Engineering, University of Connecticut, Storrs, CT.
6/02 - 8/02: Visiting Professor, Chemical Engineering, Kasetsart University, Bangkok, Thailand.
5/92 - 5/95: Advisor - AIChE Student Organization at the University of Connecticut.
9/91 - 8/97 : Assistant Professor, Chemical Engineering, University of Connecticut, Storrs, CT.
8/88 - 7/91: Associate Research Engineer, Shell Development Company, Houston Texas.