Hakseok RYU is a Head of Korea Liaison Unit of Global Green Growth Institute (GGGI) which is the only international organization with a focus on green growth. He is in charge of the cooperation between GGGI and Korean organizations including government ministries. Before joining GGGI, he worked as a Director of Energy and Scientific Affairs Division of Ministry of Foreign Affairs of Korea and served in Permanent Delegation to the OECD of Korea, Korean Embassy to Republic of Belarus, and Korean Consulate General in Los Angeles.