Professor of Earth Surface Isotope Geochemistry, Freie Universität Berlin, Germany

The University of Sheffield

Research Scientist, INSTAAR, U. Colorado, Boulder; Smithsonian Tropical Research …

CNRS Emeritus Research Director, University of Toulouse, France

Professor, Ghent University

Université Paul Sabatier (Toulouse, France)

Professor of Geological Sciences, INSTAAR, University of Colorado, Boulder

Zhejiang Agricultural and Forestry University

Lecturer in Earth Sciences, Hull University

Professor of Earth Science, University of Wyoming