| 1998-1999 | Research Fellow/Clinical Coordinator, New York Obesity Research Center, St. Luke's Hospital, NY |
| 1999-2000 | NIH Trainee, New York Obesity Research Center, St. Luke's Hospital, NY; Postdoctoral Fellow, Institue of Human Nutrition, Columbia University College of Physcians and Surgeons, NY |
| 2000-2002 | NIH Trainee, Division on Substance Abuse, Columbia University College of Physicians and Surgeons, NY |
| 1974-1975 | Laboratory Instructor, Elmira College, Elmira, NY |
| 1976-1978 | Teaching Assistant, Dept of Chemistry Lehigh University, Bethlehem, PA |
| 1977-1979 | Adjunct Instructor, Northampton Community College, Bethlehem, PA |
| 1980 | Adjunct Instructor, College of St. Elizabeth, Morristown, NJ |
| 1996 | Guest Instructor, Cooperative Extension, Rutgers University, NJ |
| 2000 | Adjunct Asst Prof, Dept of Nutrition, New York University
Adjunct Asst Prof, Dept of Nutrition, College of St. Elizabeth, NJ |
| 2002 | Guest Lecturer, Dept of Psychology, Touro College, NY |
| 2002-present | Adjunct Asst Prof, Department of Nutrition, Hunter College, NY |
| 1979 | Quality Control Chemist, Kraft Foods, Allentown,PA |
| 1980 | Project Chemist, Becton-Dickinson, Parsippany NJ |
| 1981-1987 | Research Scientist, Johnson and Johnson, Raritan NJ |
| 1987-1989 | Research Scientist, Cytogen Corp. Princeton NJ |
| 1990-1997 | Research Assistant, Dept. of Food Science, Rutgers University |