Former Professor HUR Sangsoo is a Commissioner of Truth and Reconciliation Commission, Republic of Korea. He is also the Co-representative of Association of Bereaved Families of Victims of Cheju April Third Events in Seoul. Prof. HUR served as the Members of Presidential Committee of Policy Planning and Sustainable Development, respectively and Chairman of Korean Social Science Association. Prof. HUR is a graduate of Jeju National University (1978), Graduate School of Sungkyunkwan University (1996) and received a Ph.D. in Sociology from the Korea University (2021). Previously, he taught at Sungkonhoe University (1996-2008). His publications include 『April Third Events and U.S』(2005, in Korean), 『Nexus : U.S Responsibility of Cheju Massacres 1947-1954』(2018), and 「Human Rights and Social Healing Through Justice for Cheju Massacres(1947-1954) : The United States’ Unlawful Acts and Omissions」(Southwestern Law Review, 2023) and 「Ten Points on U.S Responsibilities In the Jeju Massacres(1947-1954) : An American Crime Story」(Walden Korea Journal, 2023).