Harold Hongju Koh

Harold Hongju Koh is an American diplomat, lawyer, legal scholar, politician, and writer. Except for his periods of government service, he has taught at Yale Law School from 1985 to the present, including as the law school's 15th Dean from 2004 to 2009, and currently as a Sterling Professor of international law. From 1998 to 2001, he served as the Assistant Secretary of State for Democracy, Human Rights, and Labor under President Bill Clinton. From 2009 to 2013, he served as the legal adviser of the Department of State in the Obama administration. He has published more than ten books on topics including international law, the U.S. Constitution, and international relations. He was elected to the American Philosophical Society in 2007.