Our Team

David Ryan, MD

Dr. David Patrick Ryan is recognized as international leader in the field of gastrointestinal cancers with research interests in colon, rectal, and pancreatic cancers. He serves as the Clinical Director of the MGH Tucker Gosnell Center for Gastrointestinal Malignancies, Clinical Director of the MGH Cancer Center and newly appointed Chief of Hematology/Oncology at MGH. 
 
In 2004 Dr. Ryan was appointed Clinical Director for the Gosnell Center for Gastrointestinal Cancers and since then he has overseen the growth of the Center at a consistent rate while emphasizing a multidisciplinary team approach to patient care. In 2010 he was also appointed Clinical Director of the MGH Cancer Center and Associate Chief of Hematology/Oncology. In those roles, Dr. Ryan has been overseeing the operations of 24 multidisciplinary disease centers, which include participants from Hematology/Oncology, Surgery, Radiation Oncology, Diagnostic and Interventional Radiology, Pathology, Psychiatry and many other departments. Ha has led the Cancer Center efforts in establishing strong collaborations with our partnering hospitals, community network and satellite development, implementing quality metrics, and branding initiatives. He has also overseen the development of dedicated programs in hematology, cardio-oncology, cancer outcomes and survival, and fertility preservation. 
 
In 2012, Dr. Ryan accepted the position of Chief of Hematology/Oncology at MGH. As the Chief of Hematology Oncology, Dr. Ryan will have direct oversight over the divisional faculty, including clinical responsibilities, allocation of space and compensation, and supervising academic activities, research, educational efforts, and related resources.