Current Positions

Visiting Scholar
Section of Integrative Biology, The University of Texas at Austin, January to June 2008 (Sabbatical Leave)

Professor
Department of Plant Biology, University of Illinois, August 2004 to present

Associate Curator
University of Illinois Vascular Plant Herbarium, February 2005 to present

Faculty Member
Program in Ecology, Evolution, and Conservation Biology, University of Illinois, June 1998 to present

Faculty Member
Systematics and Biodiversity Group, University of Illinois, January 1992 to present

Previous Positions

Associate Head
Department of Plant Biology, University of Illinois, August 2002 to August 2007

Associate Professor
Department of Plant Biology, University of Illinois, August 1998 to August 2004

Visiting Researcher
Royal Botanic Garden Edinburgh, Scotland, June 1998 to August 1999 (Sabbatical Leave)

Assistant Professor
Department of Plant Biology, University of Illinois, January 1992 to August 1998

Postdoctoral Fellow and National Science and Engineering Research Council (NSERC) of Canada Postdoctoral Fellow
Department of Biology, Indiana University, August 1989 to December 1991
Department of Biology, University of Michigan, July 1988 to August 1989
Department of Biology, University of Ottawa, Ontario, Canada, April 1987 to June 1988

Education

Ph.D.
University of Alberta, Edmonton, Canada (Plant Taxonomy), 1982-1987

B.Sc.
University of Guelph, Ontario, Canada (Specialized Honours Botany), 1978-1982