Gerald D. Cagle Ph.D.

Chief Operating Officer, Cognoptix, Inc.<br />Former Senior Vice President of Research & Development and Chief Scientific Officer, Alcon Laboratories Inc.

Gerald D. Cagle, PhD has served as a member of our Board since September 2013. Dr. Cagle previously served as Chief Operating Officer at Cognoptix, lnc., a company focused on the diagnosis of Alzheimer’s disease. Dr. Cagle also is Senior Advisor and Head of Business Development for GrayBug, LLC, a platform drug delivery company. Dr. Cagle served as Senior Vice President of Research & Development at Alcon Laboratories lnc. from 1997 to 2008, assuming the responsibility of Chief Scientific Officer in 2006. Dr. Cagle currently serves as a member of the board of directors of Clearside Biomedical, a company delivering anti-inflammatory therapies in the suprachoroidal space for uveitis and AB2 Bio, a Swiss company researching novel therapies. Dr. Cagle has served on the Wilmer Eye Institute Advisory Council and is a member of the ARVO Foundation Board of Governors. Dr. Cagle received his BS degree from Wayland College and earned both his MS and PhD degrees from the University of North Texas. We believe that Dr. Cagle’s scientific background and experience provides him with the qualifications and skills to serve as a member of our Board.