Mersana Therapeutics, Inc. (NASDAQ:MRSN) Q1 2021 Earnings Conference Call May 10, 2021 4:30 PM ET Company Participants Sarah Carmody - Executive Director, Investor Relations and Corporate Communications Anna Protopapas - President and CEO Arvin Yang - Chief Medical Officer Tim Lowinger - Chief Science and Technology Officer Brian DeSchuytner - Senior Vice President, Finance and Product Strategy Alejandra Carvajal - Chief Legal Officer Conference Call Participants Jonathan Chang - SVB Leerink Daniel McElligo ...