 SAN DIEGO--BUSINESS WIRE--Gossamer Bio, Inc. Nasdaq: GOSS, a clinical-stage biopharmaceutical company focused on discovering, acquiring, developing and commercializing therapeutics in the disease areas of immunology, inflammation and oncology, today announced that, Richard Aranda, M.D., previously Senior Vice President and Head of Clinical Development, will be promoted to Chief Medical Officer. Dr. Aranda joined Gossamer in February 2018 with responsibilities including oversight of Clinical 