PANews reported on May 29 that according to Newsway, Lee Sirgoo, CEO of Dunamu, the operator of South Korean crypto exchange Upbit, announced that he will step down from July 1. In a statement, Lee said that he made this decision for personal health reasons and to support Dunamu's next stage of growth, new challenges and changes need to be met. Despite stepping down as CEO, Lee still plans to continue to serve as a consultant to the company. Dunamu will announce its successor later.