Original sentence: He has been serving in this capacity since January 2007.Kim Won-soo currently serves as Deputy Chef de Cabinet and Special Advisor to the Secretary-General at the United Nations.Nitze School of Advanced Studies at Johns Hopkins University, United States.Prior to his appointment to the UN, he served as Ambassador of the Republic of Korea from October to December 2007
Edited sentence: Kim Won-soo is a Korean diplomat, the current Deputy Chef de Cabinet and Special Advisor to the Secretary-General of the United Nations since January 2007.Nitze School of Advanced International Studies at Johns Hopkins University, United States.Prior to his appointment to the UN, he served as Ambassador of South Korea from October to December 2007