Clover Appoints LiongHo Chua as President of Greater China GlobeNewswire April 27, 2022 SHANGHAI, China, April 27, 2022 (GLOBE NEWSWIRE) Clover Biopharmaceuticals, Ltd. (Clover; HKEX: 02197), a global clinical-stage biotechnology company developing novel vaccines and biologic therapeutic candidates, today announced the appointment of Mr. LiongHo Chua as President of Greater China..