 EMERYVILLE, Calif., May 17, 2022 GLOBE NEWSWIRE -- Gritstone bio, Inc. Nasdaq: GRTS, a clinical-stage biotechnology company that aims to develop the worlds most potent vaccines, today announced that Andrew Allen, M.D., Ph.D., Co-founder, President and Chief Executive Officer of Gritstone, will participate in a fireside chat at the H.C. Wainwright Global Investment Conference, which is being held virtually and in-person from May 23-26, 2022. 