Professor of Biology, University of Alberta

Professor, Horn Point Laboratory, University of Maryland Center for Environmental Science

University Distinguished Professor, Colorado School of Mines

Associate Professor, University of Houston

Professor, Dept of Natural Resource Ecology & Management, Oklahoma State University

Nagoya University

Professor of Hydrology and Water Resources, Tsinghua University

College of the Holy Cross

Federal Agency for Water Management, Petzenkirchen, Austria

University of Tsukuba