Taehan has been working as a principal researcher at the Korea Sustainability Investing Forum since 2011.
He manages the Korean program of CDP, a global climate information disclosure project, and is also in charge of global initiatives such as RE100, SBTi, and PCAF. He also participated in the revision of the National Pension Act for ESG investment of the National Pension Service.
He is main author of annual CDP Korea Report, ESG Financial Report, and Fossil Fuell Finance Report.