University of Arkansas, Oklahoma State University, Montana State University

Associate Professor at Al-Ahliyya Amman University

Graduate Research Assistant, Oregon State University

Research Scientist, Pavements, Virginia Tech Transportation Institute

Professor of Transportation at Jazan University

Professor (Full), Highway and Traffic Engineering, Civil Engineering, Assiut University …

Professor (Full), Highway Engineering, Faculty of Engineering, Al-Ahliyya Amman

Arias & Associates, Inc., University of New Mexico

Professor in Civil Engineering, IIT Kharagpur

Pavement Engineer