X4 Pharmaceuticals, Inc. announced the expansion of its board of directors with the appointment of Alison Lawton, a biopharmaceutical industry veteran with more than 30 years of experience in a wide range of senior executive and operational roles. Ms. Lawton currently serves as a special advisor and board member at Kaleido Biosciences, Inc., and as an independent director of ProQR Therapeutics N.V. Previously, she served as Kaleido’s Chief Executive Officer, after initially joining the company as President and Chief Operating Officer. The effective date of appointment is October 5, 2020. Effective October 5, 2020, Ms. Lawton will also serve as a member of the Audit Committee of the Board, replacing Murray W. Stewart who will continue to serve on the Board, and as a member of the Compensation Committee of the Board, replacing Gary J. Bridger who will continue to serve on the Board.