1980 Edinburgh University, Zoology, Biology, BSc. Hons.
1986 University of Tennessee, Zoology, Ph.D.
1999-2002 Schlinger Chair in Systematics and Professor, Dept. Env. Science, Policy & Management, University of California, Berkeley
1999-2013 Director, Essig Museum of Entomology, University of California, Berkeley
2004-2012 Chair, Berkeley Natural History Museums (Museum Vertebrate Zoology, UC Museum of Paleontology, UC & Jepson Herbaria, Essig Museum of Entomology, Botanical Garden, Hearst Museum of Anthropology)
1994-1998 Chair, Ecol, Evol & Conservation Biol Grad Program, Univ. Hawaii.
1992-2000 Associate Professor of Zoology and Associate Researcher, Center for Conservation Research & Training, PBRC, Univ. Hawaii.
2008-present Assoc Editor, Molecular Ecology 2008-2016; Senior Editor 2016-present
2008-present Trustee & Fellow, California Academy of Sciences
2016-present Associate Editor, Journal of Biogeography
2008-2011 President, American Arachnological Society
2013-2015 President, International Biogeography Society (Past Pres 2015-2017)
2016 – present President elect, American Genetics Association