JOHN D. HALPERN was elected to the IRX Therapeutics Board of Directors in April 2010. He is a founder of Halpern, Denny & Co, a private equity investment firm.

Prior to forming Halpern, Denny & Co. in 1991, Mr. Halpern was a founder of Bain & Company and served as its Vice Chairman until 1990. For 15 years, he was Director of North American client development and strategy. Prior to the formation of Bain & Company, Mr. Halpern was a consultant at Boston Consulting Group. He is a Partner of Boston Common Press, the publisher of Cook's Illustrated magazine and America's Test Kitchen cookbooks. Mr. Halpern is a graduate of Yale University, magna cum laude and Phi Beta Kappa and received an M.B.A. from the Harvard Business School.