David Pozen is the Charles Keller Beekman Professor of Law at Columbia Law School and was the Knight Institute’s inaugural visiting scholar, 2017-2018. Prior to joining Columbia Law School in 2012, he served as a special assistant to U.S. Sen. Edward M. Kennedy on the Senate Judiciary Committee and as a special advisor to Legal Adviser Harold Hongju Koh at the Department of State. He was also a law clerk to Judge Merrick Garland on the U.S. Court of Appeals for the District of Columbia Circuit and to Justice John Paul Stevens on the U.S. Supreme Court. An internationally recognized scholar of information law and constitutional law, Pozen has written widely on subjects such as government secrecy, privacy theory, civil disobedience, and the separation of powers. His current academic projects include a forthcoming book, The Constitution of the War on Drugs.