Arthur O. Tzianabos, Ph.D., is President and CEO of Lifordi Immunotherapeutics and a Venture Partner at 5AM Ventures.  He has over 30 years of experience in the biotechnology industry and academia leading teams in the discovery, development, clinical translation and commercialization of new treatments for immunology and rare diseases.

Dr. Tzianabos served as President and CEO of Homology Medicines and later became Chair of the Board prior to its merger with Q32 Bio. Dr. Tzianabos is currently a member of the Board of Directors at Q32 Bio and Chair of the Board of Directors at Stoke Therapeutics.  Previously, he was Chair of the Board for Akouos Therapeutics (acquired by Eli Lilly in 2022).  He also serves on the Development Board for the University of New Hampshire’s College of Life Sciences and Agriculture. Earlier in his career, Dr. Tzianabos had an active role in the development, approval, and commercial launch of multiple therapies for patients with rare genetic disorders at Shire Pharmaceuticals. He also worked closely with the Business Development and Corporate Venture functions to invest in and acquire new companies and technologies to build Shire’s pipeline.

Dr. Tzianabos is trained as an immunologist and was an Associate Professor of Medicine at Harvard Medical School where he maintained laboratories at the Channing Laboratory, Brigham and Women’s Hospital and the Department of Microbiology and Molecular Genetics at Harvard Medical School. He has published more than 80 scientific papers, reviews, book chapters and patents. Dr. Tzianabos holds a Ph.D. in Microbiology from the University of New Hampshire and a B.S. in Biology from Boston College.