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About Me

I'm a "place-based” ecologist and archaeologist with current interests in the landscape history of the Appalachians, especially those of Pennsylvania’s northern Allegheny Plateau. I have over 25 years of teaching, research and administrative experience in academia, non-profit organizations, and environmental consulting.

My disciplines and areas of professional expertise include…

Current work

My current research projects include: 1. environmental history and landscape archaeology of the historic iron industry of northwestern Pennsylvania; 2. historical landscapes of northwestern Pennsylvania's French Creek Valley from contact to early American settlement; and 3. environmental history and archaeology of northwestern Pennsylvania's Clarion River with an emphasis on historic flow regulation, industrial legacies and river recovery.


  • University of Leicester

    • 2020 MA with merit, Archaeology
  • Virginia Tech

    • 1989 Ph.D., Ecology
  • Rutgers University

    • 1985 MS, Entomology
  • Drew University

    • 1981 BA magna cum laude, Botany/zoology


  • Williams Ecological, LLC

    • 4/2013 - Present Proprietor
  • Columbia Southern University

    • 8/2009 - Present Fulltime faculty - biology and ecology
  • Western Pennsylvania Conservancy

    • 1/2007 - 4/2010 Upper Allegheny Watershed Manager
  • U.S. Fulbright Program

    • 1/2003 - 5/2003 Fulbright Scholar in environmental history and environmental archaeology, University of Iceland, Reykjávík
  • Clarion University of Pennsylvania

    • 8/1992 - 12/2006 Assistant, Associate, Full Professor and Chair of Biology
  • The Nature Conservancy

    • 1/1991 - 7/1992 Director of Science and Stewardship
  • Miami University (Ohio)

    • 6/1990 - 12/1990 Postdoctoral Fellow in Applied Ecology
  • Washington and Lee University

    • 8/1989 - 5/1990 Visiting Assistant Professor of Biology
  • Radford University

    • 8/1988 - 5/1989 Visiting Instructor of Biology


My research/professional interests are multidisciplinary and largely fall into three academic areas: ecology, environmental studies and archaeology, with a focus on historic landscapes, environmental change, human-environment relations and biodiversity. Specific research interests include: landscape archaeology (use of LiDAR and remote sensing in landscape prospection; local and regional land-use history and landscape legacies; river and wetland archaeology); industrial archaeology (archaeology of natural resource use, especially logging, water power and mining; archaeology of charcoal iron production); forest ecology (conservation, restoration and sustainable management of upland and riparian forests; invasive species detection, ecology and management; forest-stream linkages); and environmental history (history of natural resource use and conservation in the eastern US).

My research interests include…

  • Biodiversity
  • Forest ecology
  • Historical ecology
  • Landscape archaeology