School of Public Health, The University of Adelaide

Professor of Geology, Shiraz University, Iran

Professor of Environmental Geochemistry, Shiraz University, Shiraz, Iran

Professor of Mineral Resources, Aveiro University

Cheng Kung University

Honorary Research Associate at the the British Geological Survey

University of Maryland School of Medicine

Emeritus Professor of Geology, University of Peradeniya

Environmental Scientist, British Geological Survey

Associate Professor, DICAAR, Cagliari University