University of Ottawa

Professor of Geosciences

Professor, University of Stavanger

Professor of Geochemistry, Ohio University

Associate Professor Thermal Infrared Sensing, UTwente - ITC

University of California, Riverside

Ankara University, Department of Geological Eng.

Geochemist

Titular Researcher at UNAM (National Autonomus University of Mexico)

Professor of Geology (Hydrogeology), University of Idaho