On February 1, 2012, LEE & KO hired Sang Woo Kim, Ji Hyeong Park, Ji Hye Park, Sung Hoon Shin, Dong Hyun Yoon, Ru Ree Lee, Sang Min Lee, Jin Hee Lee, Uni Chang and Hae Won Han, all of whom have completed the courses at the Judicial Research and Training Institute of the Supreme Court of Korea in 2012, and also Byung Wook Kam, Hye Weon Kim, Byung Ho Son, Hyun Ah Song, Min Young Lee, Hyung Joon Lee, Shin Jung, Young Joo Cho, Inho Choi and Jeong Yoon Choi, all of whom have graduated from Law Schools.

On April 2, 2012, LEE & KO also hired Woo Jae Kim, Hong Yoon Kim, Hee Woong Lee, Byong Ki Chung, Seung Ho Choi, Jae Baek Choi, Gang Cheol Choo, Seung A Hyun and Jee Sub Hwang, all of whom have served as Judge Advocate Officers.