Academic

v     Professor of Civil and Environmental Engineering (since July 2006) Rensselaer

v     Associate Professor of Civil and Environmental Engineering (July 2002-2006) Rensselaer 

v     Associate Professor of Civil Engineering (2001-2002) The City College of New York

v     Assistant Professor of Civil Engineering (1998-2001), The City College of New York.

v     Visiting Assistant Professor of Civil Engineering, The City College of New York (1997)

v     Visiting Professor, California Polytechnic State University, San Luis Obispo (1996-1997)

v  Adjunct Professor of Transportation Economics and Transportation Planning (1984-1991), and Port Engineering (1989-1991), Universidad Autónoma de Santo Domingo

Administrative

v     Deputy Director, Transportation Planning Directorate, Ministry of Public Works, 1986-1987

v     Head of the Transportation Planning Department, Ministry of Public Works, 1984-1986

v     Head of the Special Studies Unit, Ministry of Public Works, January 1981-August 1984

 

Editorial Boards, Conference Chairmanship

v     (Elected) Member of the Council of the Association for European Transport (2005-2009)

v     Chairman of the XIII Pan American Conference of Traffic and Transportation Engineering, Crowne Plaza Albany, September 27-29 2004

v     Chairman of the Pan-American Advanced Studies Institute on Transportation Sciences (PASI-TS), Toluca and Queretaro, Mexico July 24-August 7th 2005

v     Member of the Conference Program Committee of the National Urban Freight Conference (February 1st-3rd, 2006, Long Beach California)

v     Member of the Organizing Committee of the 3rd International Conference on City Logistics (Madeira, Portugal 2003)

v     Member of the Organizing Committee of the 4th International Conference on City Logistics (Lankawi, Malaysia 2005)

v     Associate Editor of Transportation for Network and Spatial Economics (since March 2003)

v     Chair of the Review Committee (Editor) for the Freight Transportation Planning and Logistics Committee (Transportation Research Board) (since 2001)

 

Research