Derek Penslar

Derek Jonathan Penslar, (born 1958) is an American-Canadian comparative historian with interests in the relationship between modern Israel and diaspora Jewish societies, global nationalist movements, European colonialism, and post-colonial states.

He was raised in Los Angeles, attended Stanford University for his undergraduate degree. He took his PhD in history at the University of California at Berkeley, where his advisors were Richard Webster, Amos Funkenstein, and Gerald Feldman. Penslar taught at Indiana University in Bloomington from 1987 to 1998, when he moved to Toronto to assume the Samuel J. Zacks Chair in Jewish History at the University of Toronto. In 2011, he was made a Fellow of the Royal Society of Canada.

From 2012 to 2016, he was the inaugural holder of the Stanley Lewis Chair of Israel Studies at the University of Oxford in England. He was a member of the Department of Politics and International Relations and the School of Interdisciplinary Area Studies and a fellow of St Anne's College, where he continues to be an honorary fellow. In 2016, he moved to Harvard University, where he is William Lee Frost Professor of Jewish History and a resident faculty member at the Minda de Gunzburg Center for European Studies. Penslar serves as director of the Center for Jewish Studies at Harvard University.

On January 19, 2024, Penslar was appointed by Harvard's Interim President, Alan Garber, to co-chair Harvard's Presidential Task Force on Combating Antisemitism. Critics including Bill Ackman and Lawrence Summers objected because he was among the 2,898 Jewish "scholars, clergy, and other public figures" who signed an open letter against Benjamin Netanyahu's efforts at judicial reforms in August 2023, which included the passage: "Israel’s long-standing occupation [...] has yielded a regime of apartheid."{{cite news |last = Hartocollis |first = Anemona