Ira Kalfus, M.D. has served as Thar Pharmaceuticals Inc. Chief Medical Officer 2011-2017. From 2006 to 2009, Dr. Kalfus was Vice President of Medical Affairs at Lev Pharmaceuticals, where he led the clinical development for Cinryze, a C1 esterase inhibitor that can help regulate inflammation in the body and prevent hereditary angioedema attacks in teenagers and adults. Cinryze was approved by the FDA in 2008. Upon the acquisition of Lev Pharmaceuticals by ViroPharma in 2008, Dr. Kalfus consulted on product launch and expansion and investor relations for ViroPharma (acquired by Shire Plc in 2014). Dr. Kalfus has also served in various other positions including Medical Director of Aetna Inc., Internist at Hillside Medical Associates, and President of the Staff Society and Chairman of Performance Improvement at Long Island Jewish Medical Center. Dr. Kalfus also serves as Medical Director of Redhill Biopharma Ltd. Dr. Kalfus completed his residency in internal medicine at Long Island Jewish Medical Center and holds an M.D. from Albert Einstein College of Medicine and a B.A. in Biology from Columbia University.