Nancy Rosenblum is Chair of the Department of Government at Harvard University and the Senator Joseph S. Clark Professor of Ethics in Politics and Government. Her fields of study are the history of modern political thought, contemporary political theory, and constitutional law. Her latest book is On the Side of the Angels: An Appreciation of Parties and Partisanship, published by Princeton University Press in 2008.

She is winner of the 2002 David Easton Award (ASPA) for her book Membership and Morals: The Personal Uses of Pluralism in America. She is a member of the American Academy of Arts and Sciences and earned her Ph.D. from Harvard University in 1973.