Prof.Yun earned her Ph.D. at University of Delaware, major in Environmental and Energy Policy, and has dedicated most of her career to promoting sustainable development and addressing environmental and energy issues through vigorous research, lecturing, social activities. Before assuming the role of Co-Chairperson of 2050 Carbon Neutrality Commission, Prof.Yun previously served in various positions at Government’s Committees, including Ex-Chairperson of Sustainable Development Committee, Ex-Chairperson of Korea Energy Information Culture Agency, Ex-Chairperson of Energy Policy Committee of Seoul Metropolitan Government, etc.