Ban Ki-moon is a South Korean politician and diplomat who was the eighth Secretary-General of the United Nations from January 2007 to December 2016. Before becoming Secretary-General, Ban was a career diplomat in South Korea's Ministry of Foreign Affairs and in the United Nations. He entered diplomatic service the year he graduated from university, accepting his first post in New Delhi, India.
Ban was the foreign minister of South Korea from January 2004 to November 2006. In February 2006 he began to campaign for the office of Secretary-General. Ban was initially considered to be a long shot for the office. As foreign minister of South Korea, however, he was able to travel to all the countries on the United Nations Security Council, a maneuver that turned him into the campaign's front runner.
On 13 October 2006, he was elected to be the eighth Secretary-General by the United Nations General Assembly. On 1 January 2007, he succeeded Kofi Annan. As Secretary-General, he was responsible for several major reforms on peacekeeping and UN employment practices. Diplomatically, Ban has taken particularly strong views on global warming, pressing the issue repeatedly with U.S.