2005-Present: Professor,Department of Civil Engineering,FacultyofEngineering, An-Najah National University,Nablus,WestBank,Palestine
2006-2007: Minister of Planning, Acting Ministerof Finance, Acting Minister of Educationand Higher Education,and Acting Deputy Prime Minister, The Palestinian Government
2005-2006: President’s Assistant for Planning and Development, An-Najah National University
2004-2005: Director of Planning and Development, An-NajahNationalUniversity
2004:Visiting Professor, Department of Civil Engineering, Lille University, France
1999: Fulbright Visiting Professor, Department of Civil Engineering, University of Washington, USA
1998-1999: Dean, Faculty of Engineering, An-Najah National University
1996-2005: Associate Professor, Department of Civil Engineering, An-Najah National University Nablus,WestBank, Palestine
1992-1996: Dean, Faculty of Engineering, An-Najah National University
1992:Head of the Department of Civil Engineering, An-NajahNational University
1990: Visiting Professor, Department of Urbanand Regional Planning, Texas A&M University,USA
1990: Visiting Professor, Technical University of Braunschweig, Germany
1987-1995: Assistant Professor, Department of Civil Engineering, An-Najah National University
1983-1987: Part-Time Researcher, The Pennsylvania Transportation Institute, The Pennsylvania State University
Research Interests:
Transportation Planning
Urbanand Regional Planning
Strategic Planning
Travel Demand Modeling and Forecasting
Infrastructure and Public Utilities Planning and Development
Smart Transportation/Intelligent Transportation Systems
Traffic Systems Management
Traffic and Safety Engineering
Pavement Management Systems
Engineering Education
Research Groups:
Member, Construction and Transportation Research Center, An-Najah National University