 BOSTON--BUSINESS WIRE--- KRTX--Karuna Therapeutics, Inc. NASDAQ:KRTX, a clinical-stage biopharmaceutical company driven to create and deliver transformative medicines for people living with psychiatric and neurological conditions, today announced the appointment of Ronald Marcus, M.D., to Senior Vice President of Medical. In this role, Dr. Marcus will provide strategic and operational leadership of Karunas clinical stage pipeline of novel neuropsychiatric medicines, including KarXT. We are please 