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Speakers Bureau

Listed below are UW-Green Bay, Sheboygan Campus faculty and staff who are available to speak to high school classes or to groups, such as community organizations, service clubs, church groups, etc. As an expression of their professional commitment to the community, they want to share their expertise and knowledge.

Most speakers do not require a fee for local presentations, however honoraria and travel expenses may be requested by the individual. Donations may be made to the UW-Green Bay, Sheboygan Campus Foundation for scholarships.

Speaking dates and times are limited by the individual's schedule. Contact should be made directly with the faculty or staff member at the email address or phone number listed next to their name.


James Kabrhel, Ph.D.

Associate Professor of Chemistry


  • B.S. Juniata College, PA
  • Ph.D. University of Minnesota (Organic Chemistry)

Areas of Expertise

  • Organic Chemistry
  • Pseudoscience and Its Use in Media and Consumer Products

Contact Information: or 920-663-7334


William Sharkey

Associate Lecturer of Geography


  • B.A. UW-Milwaukee, WI (Environmental Geography)
  • M.S. UW-Milwaukee (Geography)

Areas of Expertise

  • Master Gardener (trained, 2011)
  • Cultural Construction & Planning of Place and Space
  • Gender Studies
  • History of American Environmental Policy
  • Human Environmental Disruption/Impact
  • Human and Environmental Sustainability
  • Human/Tribe Identity
  • Invasive/Non-native Plant Identification & Environmental Impacts
  • Wisconsin Natural History

Contact Information: or 920-459-4405


Mark Karau, Ph.D.

Associate Professor of History


  • B.A. Marquette University, WI (History/Modern European History)
  • Ph.D., Florida State University (19th-20th Century Germany/European History)

Areas of Expertise

  • Modern China
  • Modern Germany
  • Soviet Union
  • World War I Germany
  • World War I Europe

Contact Information: or 920-459-4435

Physics and Astronomy

William Dirienzo, Ph.D.

Assistant Professor of Physics & Astronomy


  • B.S. University of Wisconsin, Madison (Physics, Astronomy-Physics, Mathematics)
  • Ph.D., University of Virginia (Astronomy)

Areas of Expertise

  • Astronomy/Astrophysics
  • Computer/Microcontroller Coding
  • General Physics
  • Radio Astronomy Observation
  • Star Formation/Interstellar Medium
  • Star Gazing/Telescopes
  • Statistical Analysis

Contact Information: or 920-459-6620

Political Science

Alise Coen, Ph.D.

Assistant Professor of Political Science


  • Ph.D. University of Delaware (Political Science & International Relations)

Areas of Expertise

  • Politics of Identity
  • Refugee Policy
  • U.S. Foreign Policy Towards the Middle East

Contact Information: or 920-459-6630