Zai Lab Limited (NASDAQ:ZLAB) Q4 2019 Earnings Conference Call March 19, 2020 8:30 AM ET Company Participants Billy Cho – Chief Financial Officer Samantha Du – Founder and Chief Executive Officer Tao Fu – President and Chief Operating Officer Jonathan Wang – Head-Business Development Valeria Fantin – Chief Scientific Officer Conference Call Participants Yigal Nochomovitz – Citigroup Anupam Rama – JPMorgan Jonathan Chang – SVB Leerink Maury Raycroft – Jefferies Yang Huang – Bank of America Xiang Gao – Macqua ...