Developments Q32 Bio names Drs. José Trevejo as CMO and Ellie Hershberger as CDO Q32 Bio (NASDAQ: QTTB) has announced the appointment of José Trevejo, MD, PhD, as chief medical officer (CMO) and Ellie Hershberger, PharmD, as chief development officer (CDO). Prior to joining Q32 Bio, Dr. Trevejo... September 14, 2026