 EMERYVILLE, Calif., Dec. 15, 2022 GLOBE NEWSWIRE -- Gritstone bio, Inc. Nasdaq: GRTS, a clinical-stage biotechnology company working to develop the worlds most potent vaccines, today announced that Andrew Allen, M.D., Ph.D., Co-founder, President and Chief Executive Officer, will present at the 41st Annual J.P. Morgan Healthcare Conference occurring January 9-12, 2023 in San Francisco. The presentation will take place on Thursday, January 12, 2023 from 9:45 - 10:25 AM Pacific Time in Elizabethan A conference room. 