For last 25 years, he developed his career in business development and investment at POSCO(World Top 5 Steel Maker) as an energy investment manager and KPMG as a regional head of Climate Change and Sustainability of KPMG Asia Pacific to lead 12 countries and direct projects of investment/strategy/policy such as regulation framework, compliance strategy, investment advisory, corporate strategy, and social responsibility consulting, and now he leads environment & energy research center at Kim & Chang(the biggest law firm in Korea) as well as an adjunct professor of Korea University in Earth & Environmental Sciences. Also, based on the comprehensive experience from engineering to financing as well as from theory to execution in this field, he was a focal member of advisory board of Asia Clean Energy Fund, a member of external advisory group for World Bank, a member of Private Sector Advisory Committee of GGGI, a vice chairman of Korea ∙ Mongolia Economics & Business Association, an external technical expert for GCF, a member of expert committee for the President of KOICA, and a Board member of International Emission Trading Association(IETA). Now, he is a Board Member of Yido(O&M Investment Platform) as well as a senior advisor for the Korean Governments and corporates. With frequent publications, media exposure, speech & panel at major global conferences such as B4E(Business for Environment), Carbon Expo(Innovate 4 Climate), Carbon Finance, Asia Clean Energy Forum as a prominent Asian speaker, he teaches in executive MBA in many renowned universities to always reinforce the relationships with the decision makers from private sector.

한국인 최초로 세계은행 미래사회 외부자문위원, 국제배출권거래협회 이사에 선임됐으며 글로벌 컨설팅회사인 KPMG의 지속가능성부문 아시아태평양 대표를 역임하는 등 환경에너지 및 사회책임 분야에서 국내 최고의 글로벌 전문가이다. 고려대와 미국 루이빌대학에서 지구과학 및 수학을 전공하고, 듀크대학에서 환경공학 석사를, aSSIST에서 경영학 박사학위를 받았다. 포스코 환경에너지실, 신사업개발실, 투자사업실 등을 거치며 기업의 실제환경에너지 경영, 기후변화 관련 신사업개발 및 신규투자를 담당했으며 KPMG에서는 중국, 일본, 동남아시아를 포함한 12개국의 기후변화 및 지속가능성팀을 이끌며 기업자문을 총괄했다. 녹색기후기금 송도 유치와 에너지신산업 발굴 공로로 산업포장 및 국무총리 표창을 받았다. 서울대 겸임교수를 역임하고 현재는 김앤장 환경에너지 연구소장 및 고려대 지구환경과학과 겸임교수, 이도 사외이사를 맡고 있다.