Steven Nichtberger, M.D.
President, Chief Executive Officer, and Co-Founder
Dr. Nichtberger has served as Chief Executive Officer, President, and Chairman of Cabaletta Bio since its founding in 2017. He is also a senior fellow and adjunct professor at the Wharton School of the University of Pennsylvania and a member of the executive committee of the board of governors of Main Line Health, a not-for-profit regional health system. In 2008, his leadership as founding CEO of Tengion (2004-2011) was recognized nationally with the prestigious Ernst & Young Entrepreneur of the Year® award for emerging companies. Earlier in his career, Dr. Nichtberger served as the head of global marketing for Merck and in various commercial operating roles at the company from 1995 to 2003. He has previously served as a member of the boards of directors of the Alliance for Regenerative Medicine (as a founding member), Pennsylvania Bio, (including as chairman), and Biotechnology Industry Organization. From 2008-2019 he was a member of the board of overseers for the School of Arts & Sciences at the University of Pennsylvania. Dr. Nichtberger received his M.D. from the State University of New York at Buffalo, his B.S. from The Wharton School and his B.A. from the College of Arts & Sciences, at the University of Pennsylvania. He completed internship, residency, and fellowship in the Department of Medicine and the Division of Cardiology of the Mount Sinai Medical Center in New York.