Professor of Physics, Rice University

Professor of Management, Founding Director of ITLS, University of Sydney

University of Michigan

Linnaeus University, Sweden

Oxford University

John Curtin Distinguished Professor, Curtin University

Professor in Transport Policy, Delft University of Technology

Distinguished Scientist, Oak Ridge National Laboratory (ORNL)

Professor of Transport Geography, University of Oxford

Professor, Dept. of Maritime Business Administration, Texas A&M University - Galveston