TEWKSBURY, Mass.--(BUSINESS WIRE)--Mitralign Inc. today announced the appointment of Dr. Paul S. Teirstein to the position of co-Medical Director. As co-Medical Director, Dr. Teirstein will be responsible for guiding Mitralign through the Mitralign Percutaneous Suture Annuloplasty clinical pilot study. In this role, he will join current Medical Director, Dr. Paul A. Spence, who is a cardiac surgeon and a founder of Mitralign.