Harold Hongju Koh
Harold Hongju Koh is an American lawyer and legal scholar. He served as the Legal Adviser of the Department of State. He was nominated to this position by President Barack Obama on March 23, 2009, and confirmed by the Senate on June 25, 2009. He departed as the State Departments legal adviser in January 2013, and returned to Yale as a law professor, being named a Sterling Professor of International Law.
Koh was born in Boston, Massachusetts. His parents grew up in Korea under Japanese rule in an area that later became part of North Korea. He has described his family thus
Source: Wikipedia