CoinVoice has recently learned that OSL Digital Securities Co., Ltd., a licensed digital asset trading platform in Hong Kong, has announced the appointment of Jack Tan (alias Jack Derong) as its new Chief Marketing Officer (CMO). He previously served as the global marketing director of Moomoo. He will be responsible for enhancing OSL's brand influence and expanding new user areas, consolidating OSL's brand awareness and market position. [Original link]