Geochemist/Hydrogeologist, Lawrence Berkeley National Laboratory

Professor of Geochemistry, University of Massachusetts

Professor of Hydrogeology, University of British Columbia

University of Orléans, Lawrence Berkeley National Laboratory

Barry and Shirley Isett Professor, Penn State University, 0000-0002-1641-3710

Scientific Researcher, IDAEA-CSIC

Freiberg

University of Paris, Laboratoire des sciences du climat et de l'environnement

Helmholtz Centre for Environmental Research - UFZ

University of Nebraska-Lincoln (UNL)