1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Rowan Univ., Glassboro, NJ.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Rowan Univ., Glassboro, NJ.
3. Director, Center for Research and Education in Advanced Transportation Engineering Systems, Rowan Univ., Glassboro, NJ.
4. Civil Engineer, Applied Research Associates, Inc., Egg Harbor Township, NJ.
5. Postdoctoral, Center for Research and Education in Advanced Transportation Engineering Systems, Rowan Univ., Glassboro, NJ.