Stephanie Hym Lee (née Bell), better known by the ring name Mia Yim, is an American professional wrestler currently signed to WWE, where she performs on the SmackDown brand under the ring name Michin and is a member of The O.C. She also makes appearances on the NXT brand. She is also known for her time in Impact Wrestling, where she is a former Impact Knockouts Champion. During her career, Yim has performed for WWE (where she was briefly known as Reckoning as part of the faction Retribution) Impact Wrestling, Combat Zone Wrestling (CZW), Shine Wrestling, and Shimmer Women Athletes. In Shine, she has held both the Shine Championship and the Shine Tag Team Championship (with Leva Bates). In addition, she has wrestled in Japan for Reina Joshi Puroresu.