Jaeung has B.A. and M.A. in Education from Seoul National University, South Korea. He has studied educational phenomena based on perspective for lifelong learning and critical theory. He wrote a master’s thesis about citizenship education. He worked at national institutions for adult education such as National Institute for Lifelong Education(NILE) and Korea National Open University (KNOU). His research interest is the relationship between education and social change, focusing on education for civil movement and collective learning. Currently, Jaeung is a first-year student in Ph.D. program in Lifelong Learning and Adult Education.