V. Raman Muthusamy, MD is recognized as a leader in advanced endoscopic procedures, authoring more than 100 publications. His research interests focus on the evaluation of existing and new endoscopic technologies for the diagnosis and treatment of digestive disorders. They include endoscopic ablative techniques for Barrett's esophagus with dysplasia and early esophageal adenocarcinoma, clinical applications of endoscopic ultrasound (EUS), assessment of new endolumenal stents, endoscopic retrograde cholangiopancreatography (ERCP), cholangioscopy,and endoscopic mucosal resection (EMR). He completed his undergraduate work at Stanford University and went to medical school at the University of Washington School of Medicine. His residency was undertaken at Duke University Medical Center where he served as assistant chief resident and traveled abroad to study evidence-based medicine under Dr. David Sackett at Oxford University. He completed his fellowship in gastroenterology at the University of California San Francisco before undertaking his advanced endoscopy fellowship at the University of California Irvine which he completed in 2001. He is board-certified in Gastroenterology and Internal Medicine and has been recognized by Best Doctors continuously since 2010. He is also a past-president of the Orange County GI Society and a Fellow of the American College of Gastroenterology and the American Society of Gastrointestinal Endoscopy.