Indian Institute of Technology Patna

Professor, Geomechanics Research Chair, Laurentian University, Canada

University of Toronto

Professor of Geological Engineering, University of Arizona

Queen's University

Professor of Geological Engineering, Queen's University

Professor of civil engineering, University of Sherbrooke

Professor Emeritus, University of the Witwatersrand

University of Udine, Italy; Tonon USA and Laboratorio Rocce e Ricerca Tonon

ISEP, Instituto Superior de Engenharia do Porto