Associate Professor of Medicine (Medical Oncology); Co-Director, Colorectal Program in the Center for Gastrointestinal Cancers; Medical Oncology Section Lead for National Accreditation Program for Rectal Cancer, Internal Medicine; Co-Director, GI Clinical Research Team; Phase 1 Investigator, Yale Cancer Center

Professor of Medicine; Director, GI and Pancreatic Cancer Prevention Program, Digestive Diseases

Adjunct Assistant Professor

Professor of Surgery (Oncology); Chief Medical Officer, Yale Cancer Center

Associate Professor of Therapeutic Radiology; Vice Chair for Education, Therapeutic Radiology; Director of Residency Training Program, Therapeutic Radiology; Chief, Gastrointestinal Radiotherapy Program, Therapeutic Radiology; Chief, VA Radiotherapy Program, Therapeutic Radiology

Associate Professor of Surgery (Colon and Rectal); Surgical Director of Inflammatory Bowel Disease Program, Gastrointestinal Surgery; Chief of Colon and Rectal Surgery, Surgery