Christina Duffy Ponsa

Associate Professor

Columbia Law School

Christina Duffy Ponsa is a legal historian whose work focuses on the constitutional and international legal history of American empire. She is the co-editor (with Burke Marshall) of Foreign in a Domestic Sense: Puerto Rico, American Expansion, and the Constitution (2001), and the author of "Untied States: American Expansion and Territorial Deannexation," 72 University of Chicago Law Review 797 (2005), among other articles. Ms. Burnett holds a law degree from Yale Law School, an M.Phil. in political thought and intellectual history from Cambridge University, and a Master's degree in American history from Princeton University. She served as a law clerk to Justice Stephen G. Breyer on the United States Supreme Court in the October 2004 Term and to Judge José A. Cabranes on the Second Circuit Court of Appeals in the August 2000 Term. She joined the faculty at Columbia Law School in 2007.

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