School of Integrative Biology
Program in Ecology & Evolutionary Biology
University of Illinois at Urbana-Champaign

• M.S., Arkansas State University, 1981 in Biology under the direction of Dr. V. Rick McDaniel
• Ph.D., Northern Arizona University, 1986 in Evolutionary Ecology under the direction of Dr. Thomas G. Whitham
• Postdoctoral Fellow/Research Assistant Professor, University of Utah, 1986-1988, Molecular Genetics under the direction of Dr. Karl G. Lark
  

• Department of Animal Biology; Head (2002)
• Department of Ecology, Ethology and Evolution, University of Illinois, Assistant Professor (1988-1994); Associate Professor (1994-2002); Professor (2002-present); Associate Head
  
• Institute for Environmental Studies, University of Illinois (1988-1996)
• Affiliate, Department of Forestry and Department of Natural Resources and Environmental Sciences (1994-Present)
  
• Affiliate, Illinois Natural History Survey, Wildlife Center (1991-Present)
• Faculty Member, Plant Ecology Program (1990-Present)
  
• Faculty Member, Environmental Council (1996-Present)
  
• Executive Committee Member, Natural Resource Ecology and Conservation Biology Program (1996-2001)
  
• Faculty Member, Program in Ecology and Evolutionary Biology (1998-present)