Mayor of Seoul
In 2009, Korea University claimed approximately 280,000 living alumni. Among the notable alumni of Korea University are prominent lawyers, physicians, engineers, researchers, Olympic athletes, and others who have gained both national and world fame in their respective fields. Korea University has especially produced many famous politicians, including the 10th President of the Republic of Korea, Lee Myung Bak, 20th Speaker of the Assembly , Chung Sye-kyun, and the 34th Mayor of Seoul, Oh Se-hoon. Also, a recent survey of South Korea's Fortune 500 companies revealed that Korea University has produced the greatest number of CEOs of these Fortune 500 companies.