Chair Professor of Earth Sciences, The University of Hong Kong

Professor of Geological and Environmental Sciences, Stanford U

Professor Emeritus of Geology, UCSB

University Bern

Professor of Geology, Rensselaer Polytechnic Institute

Distinguished Professor of Geology and Geochemistry, University of New Mexico

Professor of Geology, Istanbul Technical University, Eurasian Institute of Earth Sciences …

University Distinguished Professor, Boise State University

University of Maryland

Professor of Earth Sciences, University of St Andrews