BURLINGTON, Mass.--(BUSINESS WIRE)--Tomophase Corporation, a leading developer of non-invasive optical coherence tomography (OCT) tissue imaging devices, announced today that Ralph S. Johnston has been appointed President and Chief Operating Officer of the company. The announcement was made by Dr. Peter Norris, CEO, Co-Founder and Chairman of the Board. Mr. Johnston brings over 25 years of experience in medical devices and pharmaceuticals to the business. He has held senior management positions in business development, strategic marketing and sales with venture-backed start-up enterprises and Fortune 500 companies Pfizer and Corning Medical.
