- Environments, Resources, and Power in German Central Europe,” Seminar Participant, German Studies Association Annual Meeting, Portland, Oregon, October, 2019.
- “Back from the Brink? Problems with the Reintroduction of a ‘Wild Horse,’” Annual Conference of the American Society of Environmental Historians, Washington, DC, March, 2015.
- “Bar Sinister,” Annual Conference of the Society for Literature, Science, and the Arts, Dallas, Texas, October, 2014.
- “Przewalski’s Horse Re-Introduction: A Case Study of How Concepts of Wildness and Wilderness Influence Re-introductions as a Conservation Strategy,” co-author with Catherine A. Christen and Peter Leimgruber, International Wild Equid Conference, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria (not present at the conference), September, 2012.
- “Island Life: Natural History in Nineteenth Century German New Guinea,” Annual Meeting of the American Historical Association, San Diego, California, January, 2010.
- “The Rules of the Game,” Conference: Annual Conference of the Society for Literature, Science, and the Arts, Atlanta, Georgia, November, 2009.
- “The Making of the Przewalski’s Horse: An Environmental History of Asia’s Most Prominent Wild Equid,” co-author with Catherine Ann Christen, 23rd Annual Meeting & 2009 International Congress for Conservation Biology. Beijing, China (not present at the conference), July, 2009.
- “Remembering the Island,” Conference: Biennial Conference of the Association for the Study of Literature and the Environment (ASLE), Victoria, BC, June, 2009.
- “‘The Monotonous Recurrence’: Scenes of Hunting and Collecting in Mid Nineteenth-Century Ceylon,” Conference: Annual Conference of the Society for Literature, Science, and the Arts, Charlotte, North Carolina, November, 2008.
- “Touching,” 20th Annual Interdisciplinary Nineteenth-Century Studies Conference, Louisiana State University, Baton Rouge, April, 2005.
- “This Is a Trunk and This Is a Tale: Elephants, Science, and the Humanities,” Society for Literature and Science, Duke University, October, 2004.
- “Killing Elephants,” Conference: North American Victorian Studies Association, University of Indiana, Bloomington, October, 2003.
- “Sex and the Single Primate,” 18th Annual Interdisciplinary Nineteenth-Century Studies Conference, University of California-Santa Cruz, March, 2003.
- “Science in the Tierpark: Alexander Sokolowsky,” History of Science Society Annual Conference, Milwaukee, Wisconsin, November, 2002.
- “Animal Immersion: Examining the Zoological Paradise,” Conference: “Representing Animals,” Center for Twentieth Century Studies, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, April, 2000.
- “Narrating Captivity,” Conference: “Thresholds of Identity in Human and Animal Relationships,” University of California, Santa Barbara, Santa Barbara, California, March, 2000.
- “Technology and Genocide: What the Internet Teaches about the Holocaust,” Conference: “Remembrance and Responsibility: Legacies of the Holocaust,” University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, May, 1997.
- “German Prehistory and German Identity: Social Darwinism in Weinland’s Rulaman,” German Studies Association Annual Conference, Seattle, Washington, October, 1996.
- Chair and Commentator, “The Cultural Body: Tattoos, Piercings, Beauties, and Freaks,” American Studies Association Annual Conference, Kansas City, Missouri, October, 1996.
- Commentator, “The Zoo,” Conference at the Shelby Cullom Davis Center for Historical Studies, Princeton University, Princeton, New Jersey, October, 1996.
- “Electric Humanists: Virtual and Other Realities for Humanities Scholars at the End of the Century,” Center for Twentieth Century Studies, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, November, 1995.
- “The Hagenbeck Völkerausstellungen and the Exhibition of Colonial Power,” Minda de Gunzburg Center for European History, Harvard University, Cambridge, Massachusetts, April, 1994.
- “Of Bars and Edens: The Commercial Origins of Paradise and the Modern Zoological Garden,” Department of the History of Science, History of Biology Workgroup, Harvard University, Cambridge, Massachusetts, March, 1994.
Historian, University of Wisconsin-Milwaukee