Founding Director, Penn Program in Environmental Humanities
Associate Professor of German Languages and Literature
Assistant Professor, History and Sociology of Science; Janice and Julian Bers Assistant Professor in the Social Sciences
2017-2018 PPEH Topic Director: How Did We Get Here?
Professor of Biology and Department Chair
Edmund J. and Louise W. Kahn Professor for Faculty Excellence and Associate Dean for Natural Sciences
Edmund J. and Louise W. Kahn Term Professor of Anthropology
Walter H. and Leonore C. Annenberg Professor in the Humanities & Professor of English