In 2015, he was selected as a member of the United Nations Human Rights Council[2] Working Group on Enforced or Involuntary Disappearances (WGEID) representing the Asia-Pacific region.

[3] He served the WGEID until 2022, as a member (2015–2022), Vice-Chair (2018–2020), and Chair-Rapporteur (2020–2021) reviewing the enforced disappearance cases submitted to the United Nations by the States and the families of the victims or civil society organizations.

[4] He is also a member of the Crimes Against Humanity Initiative Advisory Council, a project of the Whitney R. Harris World Law Institute at Washington University School of Law in St. Louis to establish the world's first treaty on the prevention and punishment of crimes against humanity Baik was born in Paju, Gyeonggido, and raised in Busan, South Korea.

[5] Previously, he was assistant professor and director of the Korean Legal Studies Program at Peter A. Allard School of Law in Vancouver.

[6] Amnesty International designated Baik a prisoner of conscience for his imprisonment as a former leader of the South Korean Socialist Workers' Alliance, or shortly known as Sanomaeng.

[9] During his trial in July 1992 before the Seoul District Court, at which the Agency and the Prosecutor requested a death sentence.

Amnesty International quoted another report as stating that the judge wished for Baik to be "segregated from society indefinitely" for his refusal to accept the market economy mandated in the Constitution; however, his renunciation of violence had spared him the requested sentence of death.