Board of Directors

John Davis, MD, MPH, MS

John Davis, MD, MPH, MS

Board of Directors

John C Davis, Jr, MD, MPH, MS, FACP, FACR currently serves as a member of the Board of Directors at Rheos Medicines and as a member of the Scientific Advisory Board at Magenta Therapeutics.  He most recently was Head of Research and Development and Chief Medical Officer at Magenta. In this role he was instrumental in moving the company forward as Magenta offered its IPO and becoming a clinical stage company.  He has continued to build and grow the research and development organization across multiple platforms and multiple therapeutic areas including gene therapy, rare metabolic diseases, blood cancers, and autoimmune disease.  Prior to joining Magenta, Dr. Davis was Senior Vice President and Head of Early Clinical Development at Pfizer Inc. where he oversaw multiple functional groups across global sites. In his role at Pfizer he was responsible for bringing 17 groups under one organization across multiple therapeutic areas of focus on a global basis.  Prior to his role at Pfizer, Dr. Davis served as Vice President and Global Therapeutic Area Head of Immunology across research and marketed products at Baxalta which was acquired by Shire.  Dr. Davis had multiple roles at Genentech including Head of the Inflammation and Cardiovascular/Metabolism Group in the Early Clinical Development Group.

Dr. Davis spent nearly 10 years on faculty at The University of California San Francisco leading clinical research in autoimmune diseases including lupus, vasculitis, and spondyloarthritis and he was Professor of Clinical Medicine seeing patients until 2015. He continues to see patients, teach, and serve as volunteer faculty at the Boston VA Medical Center. He has authored over 120 publications and book chapters and has held international leadership positions in his areas of research focus in autoimmune disease.

Dr. Davis earned an MD from the University of Maryland summa cum laude. Dr. Davis trained in Internal Medicine and Rheumatology at The University of California San Francisco. He continued training in clinical research and rheumatology at The National Institutes of Health NIAMS Intramural Program. He holds a Masters in Public Health in Epidemiology from the University of California Berkeley, and a Master of Science in Anatomy from the University of Maryland School of Medicine.  His undergraduate degree is in Zoology from The George Washington University.  He is a Fellow of the American College of Physicians and the American College of Rheumatology.