Florida Atlantic University, Boca Raton, FL, 2005 – 2006

Professor and Director, Center for Intermodal Transportation Safety and Security and Deputy Executive Director, University Consortium for Intermodal Transportation Safety and Security

Dowling College, Oakdale, NY, 1994 – 2005

Professor of Aviation and Transportation, School of Aviation and Transportation, 1994 - 2005
Executive Director, Intermodal Transportation Research Institute, 1996 - 2000

United States Merchant Marine Academy, Kings Point, NY, 2001 – 2002

Lecturer in Transportation Management, Global Maritime and Transportation School

City University of New York, New York, NY, 1972 - 1994

Senior Research Fellow, The City College, 1993 - 94
Research Associate, Bronx Community College and The City College, 1991 - 94
Visiting Professor, The City College, 1989 - 91
Senior Research Fellow, Institute for Transportation Systems, 1988 - 89
Adjunct Professor of Transportation Engineering, The City College, 1988 - 89
Adjunct Professor of Transportation Management, NYC Technical, 1986 - 89
Adjunct Assistant Professor of Management, College of Staten Island, 1979 - 80
Adjunct Assistant Professor of Transportation, The City College, 1972 – 73

New York Institute of Technology, New York, NY, 1976 - 1978

Adjunct Professor of Management

St. John's University, Staten Island, NY, 1973-1976

Assistant Professor