Alexion appoints new chairman and creates Lead Independent Director position Alexion has appointed Leonard Bell, M.D. as Chairman of the Board of Directors. Dr. Bell, principal founder of Alexion, continues to serve as CEO. Additionally, R. Douglas Norby has been appointed to the newly created Board position of Lead Independent Director. Mr. Norby has been a Director of Alexion since September 1999. Both of these appointments follow the passing of Max Link, Ph.D., who served as the Chairman of the Board of Directors of Alexion since December 2002 and as a member of the Board since the company’s inception in 1992.