Director, Center for Urban Transportation Research, College of Engineering, University of South Florida (past)
Professor, Department of Civil and Environmental Engineering, College of Engineering, University of South Florida (past)
Professor, Patel College of Global Sustainability, University of South Florida (past)
Professor, Civil and Environmental Engineering Department, Maseeh College of Engineering and Computer Science, Portland State University (past)
Professor, Nohad A. Toulan School of Urban Studies and Planning, College of Urban and Public Affairs, Portland State University (past)
Associate Professor, Civil and Environmental Engineering Department, Maseeh College of Engineering and Computer Science, Portland State University (past)
Associate Professor, Nohad A. Toulan School of Urban Studies and Planning, College of Urban and Public Affairs, Portland State University (past)