Research interests of Yeo Chang Youn include the economics of ecosystem services, governance of forest commons, forest policy history, and economics of climate change mitigation. His work has been published in reports of research institutes, such as IPBES, Korea Forest Service, and in books and scientific journals. He has worked for Forest Research Institute South Korea, Seoul National University, University of Washington and ITTO. He completed his BA in forestry from Seoul National University, Masters in forestry and Ph.D. in forest economics at Seoul National University, University of Washington.