 SOUTH SAN FRANCISCO, Calif., June 15, 2021 PRNewswire -- Sutro Biopharma, Inc. NASDAQ: STRO, a clinical-stage drug discovery, development and manufacturing company focused on the application of precise protein engineering and rational design to create next-generation cancer and autoimmune therapeutics, today announced that Chief Executive Officer, Bill Newell, will participate in two virtual investor conferences in June. 