Orchard Therapeutics has appointed two gene therapy and industry experts, Fulvio Mavilio, Ph.D., and Nicoletta Loggia, Ph.D., to serve as chief scientific officer and chief technical officer, respectively.   The company also announced the promotion of Leslie Meltzer, Ph.D., who has been serving as senior vice president of medical affairs, clinical operations and diagnostics, to chief medical officer. Together, Mavilio, Loggia and Meltzer will oversee strategically important functions as Orchard ...