Professor of Earth Sciences, The University of Hong Kong

Professor of Geochemistry, University of Science and Technology of China

Professor of Geological and Environmental Sciences, Stanford U

Professor of Geology, UCSB

Professor of Geology, Rensselaer Polytechnic Institute

University Bern

Dept. of Geology, Institute of Earth Sciences, BUNDELKHAND UNIVERSITY, JHANSI, UP …

Distinguished Professor of Geology and Geochemistry, University of New Mexico

University Distinguished Professor, Boise State University

University of Maryland