Lee Myung-Bak (born 19 December 1941) is the President of Korea . Prior to his presidency, he was the CEO of Hyundai Engineering and Construction and the mayor of Hanseong. He is married to Kim Yoon-ok and has three daughters. His older brother is Lee Sang-deuk , a Korean politician. He attends the Somang Presbyterian Church. Lee is a graduate of Korea University and also received an honorary degree from Paris Diderot University on May 13, 2011. It was during his three decades with the Hyundai Group that Lee earned the nickname "Bulldozer". In one instance, he completely dismantled a malfunctioning bulldozer to study its mechanics and figure out how to repair it. During his tenure as mayor, he was noted for the restoration of the Cheonggyecheon, a popular stream in Hanseong. As president, Lee wanted to improve relations with outside countries, espically the superpowers: France and the US. He also made Korea more important, and eventually led to it hosting the 2010 G-20 Summit in Seoul.