Bachelor of Arts in Government & Asian Studies, Dartmouth University, 1991. Juris Doctor, Yale University Law School, 1995.
Law clerk to Justice Stephen G. Breyer United States Supreme Court. Law clerk to Honorary Guido Calabresi United States Court Appeals (2nd circuit). Special assistant to deputy attorney general United States Department Justice, Washington, 1997—1998, national security advisory to deputy attorney general, 1998—1999.
Associate professor law Georgetown University Law Center, 1997—2004, professor law, 2001—2003, 2003—2005, John Carroll research professor law, 2003—2004, director Center on Law & National Security, 2008—2009, Paul & Patricia Saunders professor national security law, since 2009. Principal deputy solicitor general United States Department Justice, 2009—2010, acting solicitor general, since 2010. Visiting professor Yale University, 2001—2002, Harvard University, 2002.
Advisory board TransAtlantic Institute, American Jewish Congress. Member of American Bar Association, American Law & Economic Association, North American South Asian Bar Association.
Married; 3 children.