Yong-Ki Yuki IN (EUN in Korean) is an attorney-at-law in Japan and a partner in his law firm. His primary focus is domestic civil law, and he also takes criminal cases and Japanese visa cases in which workers who have overstayed their alloted time are applying to the Ministry of Justice of the Japanese Government for special residence visas.

He is a founding member of the Japan-Korea Attorney's Friendship Association, which brings together Japanese and Korean attorneys. The next general meeting is to take place at Cheju Island, Korea, in March 2001. He is also a member of the Society on International Human Rights Law (KOKUSAI-JINKEN-HOU-GAKKAI), which focuses on the International Convention on Human Rights. Its membership includes many scholars, attorneys and NGO representatives. He is interested in solving transnational issues related to the environment, bioethics, refugees and overstaying workers within transnational frameworks. A South Korean national, he was born in Japan and his first language is Japanese. He passed the Japanese bar examination in 1993 and registered for the Japan Federation of Bar Associations in 1996.