Ban Ki-moon is a South Korean diplomat and politician who served as the eighth Secretary-General of the United Nations from 2007 to 2016. During his tenure, he focused on global issues such as climate change, sustainable development, and human rights, playing a pivotal role in the adoption of the Paris Agreement on climate change. Prior to his role at the UN, he had a distinguished career in South Korea's Ministry of Foreign Affairs and Trade. His leadership and commitment to multilateral diplomacy have earned him recognition as a key figure in international relations.