Louis Weintraub Professor of Biology, The George Washington University, Washington DC

Professor of Evolution and Ecology, University of California, Davis

Professor Emeritus of Biological Sciences, University of Alberta

Old Dominion University

Institute of Biological, Environmental and Rural Sciences, University of Aberystwyth

Stanford University and Dept. Vertebrate Zoology, National Museum of Natural History …

Systematics Laboratory

Affiliate Professor, Oregon State University

Natural History Museum and Institute, Chiba