(FILES) Alibaba Group independent non-executive director Daniel Zhang (R) and Joseph Tsai, co-founder and executive vice chairman of Alibaba Group, attend the company's stock trading debut at the headquarters of the Hong Kong Exchanges and Clearing in Hong Kong on November 26, 2019. Chinese tech giant Alibaba announced on June 20, 2023 that it will replace chairman and CEO Daniel Zhang with current executive vice chairman Joseph Tsai in September. (Photo by Ye Aung THU / AFP)