1. Director of Endoscopy, Clinical Associate Professor, Section of Gastroenterology, Department of Medicine, Boston University School of Medicine
2. Fellow in Gastroenterology, Department of Medicine, Boston University School of Medicine
3. Resident, Department of Medicine, Boston University School of Medicine
4. Assistant Professor, Department of Medicine, Boston University School of Medicine
5. Fellowship Program Director, Assistant Professor, Section of Gastroenterology, Department of Gastroenterology, Boston University School of Medicine