Professor of Geophysics, La Sapienza Università di Roma and Penn State University

Florida International University

Professor & Louis A. Beecherl Jr. Chair, University of Texas at Dallas

University of Tennessee at Chattanooga/E&G Associates

Senior Lecturer, Solid Mechanics, Lund University

Professor of Particulate Solid Mechanics, University of Edinburgh

Professor of Civil Engineering, Oregon State University

Georgia Institute of Technology

Kruyt.Tech

Hong Kong University of Science and Technology