PhaseRx, Inc. announced the appointment of Peggy Phillips to the company's board of directors. Ms. Phillips will be replacing Richard Ulevitch, Ph.D., of 5AM Ventures, who is resigning from the board. Ms. Phillips served as the chief operating officer for Immunex from 1999 until 2002 when the company was acquired by Amgen. Prior to joining Immunex, Ms. Phillips worked at Miles Laboratories for 10 years. She currently serves on the board of Dynavax Technologies.