Dennis Ausiello, M.D. is the Director of the Center for Assessment Technology and Continuous Health (CATCH), Physician-in-Chief, Emeritus at Massachusetts General Hospital and Jackson Distinguished Professor of Clinical Medicine at Harvard Medical School. Dr. Ausiello served as Chief of Medicine at Mass General from 1996 until his retirement in 2013. He is a nationally recognized leader in academic medicine, having been elected to the Institute of Medicine of the National Academy of Science (1999) and the American Academy of Arts and Sciences (2003). He has written for many publications, including the New York Times and the Wall Street Journal, on various health subjects including human genetics, clinical trials, and the relationship between the academy and industry.

As an internationally recognized scientist, with specific expertise in epithelial and membrane biology, ion and water channel regulation and signal transduction, Dr. Ausiello has served as a council member of the National Institute of Diabetes, the Digestive and Kidney Diseases Advisory Council and the National Advisory Council on Aging. He served on the Board of Directors of the Broad Institute, an independent partnership of Harvard and MIT faculty working in human genetics, as well as the board of directors of the nonprofit organization, Research America, the leading advocate group for investment in biomedical research in the United States. Previously, he served on the Board of Directors of Pfizer Pharmaceuticals.

Dr. Ausiello currently serves on the Board of Directors of Alnylam Pharmaceuticals Inc., Seres Therapeutics, Inc. and TARIS BioMedical LLC. He also serves as an advisor to various biotech companies and venture capital companies working in the biotech and device area.

Dr. Ausiello holds a B.A. from Harvard College and an M.D. from the University of Pennsylvania.