GW Pharmaceuticals plc (GW) announced that Dr. Stephen Wright has notified GW's board of directors of his intention to retire and that he plans to step down from his position as chief medical officer and a member of the board of directors on 1 May 2017. Dr. Wright, who has been with GW for 13 years, will remain in post full-time until May 2017 and will thereafter stay on as a part time employee of the company throughout the NDA process for Epidiolex, in which he will continue to take a leading and active role.