Institut für Geowissenschaften, Christian-Albrechts-Universität zu Kiel, Kiel University

University of Southampton and Director Raddec International

National Geophysical Research Institute, Hyderabad, India

Professor of Geology and Geochemistry, Oregon State University

Montanuniversität Leoben

Professor Emeritus, University of Sussex, UK

Professor, Queen's University

The University of Edinburgh

McMaster University, School of Earth, Environment & Society

Dept of Geological Sciences, University of Cape Town