정기용은 외교부에서 글로벌녹색성장기구에 파견되어 현재 동 기구의 거버넌스 국장으로 재직중이다. 1993년 외교부 입부 이래 주일본대사관 1등서기관, 주불가리아 참사관(공관차석), 국제법규과장, 주미국대사관 공사참사관 등을 역임하였다. 정기용 국장은 서울법대 공법학과를 졸업하였으며, 미국 펜실바니아 대학 로스쿨 (University of Pennsylvania Law School)에서 법학박사(JD) 학위를 받았다. 아울러, 뉴욕주 변호사 자격을 보유하고 있다.

Mr. Keeyong Chung is the Director of Governance of the Global Green Growth Institute (GGGI), headquartered in Seoul, Korea which aims to promote green growth, a growth paradigm that is characterized by a balance of economic growth and environmental sustainability.

Prior to joining GGGI, Mr. Chung was (and still is) a career diplomat having served in the Korean Foreign Ministry (MOFA) since 1993. He was involved and led efforts by the Korean Government on a wide range of issues including the ROK-US alliance, international public law (including maritime delimitation and state responsibility), climate change, personnel laws & regulations, Korea-Japan bilateral issues. Mr. Chung holds a Bachelor of Law (LL.B.) degree from Seoul National University College of Law in Seoul, Korea and a Juris Doctor (JD) degree from University of Pennsylvania Law School in Philadelphia, the United States of America. He is a member of the New York state bar.