Burning Rock Biotech Limited (NASDAQ:BNR) Q4 2020 Earnings Conference Call March 11, 2021 8:00 AM ET Company Participants Yusheng Han - Founder, Chairman and Chief Executive Officer Shannon Chuai - Chief Operating Officer Joe Zhang - Chief Technology Officer Leo Li - Chief Financial Officer Conference Call Participants Doug Schenkel - Cowen David Lee - Bank of America Merrill Lynch Tian Chen - HSBC Operator Ladies and gentlemen, thank you for standing by and welcome to the Burning Rock's 2020 Fourth Quarter ...