Director-General for North American Affairs Yunju Ko, before assuming this position, served as Director for FTA Goods, as Deputy Director-General for North American Affairs, and worked at the Office of National Security as Deputy Secretary. His overseas postings include Washington D.C., Baghdad, and New York. He received his B.A. and M.A. in Economics from Yonsei University, an M.A. in International Relations from Tufts University, and a Master of Laws from George Washington University. He received an Order of Service Merit (Green Stripes) in 2013.