Christina Duffy Ponsa
George Welwood Murray Professor of Legal History
Jerome Greene Hall 913
435 West 116th Street
New York NY 10027
Please note that Professor Ponsa changed her name from Christina Duffy Burnett.
Areas of Expertise
- American legal history
- Constitutional law
- B.A., History and Latin American Studies, Princeton, 1990
- M.Phil., Political Thought and Intellectual History, Cambridge, 1995
- J.D., Yale, 1998
- Ph.D., History, Princeton, 2010
Christina Duffy Ponsa's work focuses on American legal history. She is the co-editor of Foreign in a Domestic Sense: Puerto Rico, American Expansion, and the Constitution (Duke University Press, 2001), and the author of several articles and essays on the constitutional implications of American territorial expansion. She is currently at work on a constitutional and international legal history of American empire in the late nineteenth and early twentieth centuries. Professor Ponsa holds degrees from Princeton (A.B. 1990, Ph.D. 2010), Cambridge (M.Phil. 1995), and Yale (J.D. 1998). Before joining the Columbia faculty in 2007, she served as a law clerk to Judge José A. Cabranes on the Second Circuit Court of Appeals and to Justice Stephen G. Breyer on the United States Supreme Court.