Faculty & Staff

Clara Abraham, M.D.
Clinical interest: Gastrointestinal Diseases
Research interest: Regulation of the intestinal immune system; T cell trafficking and activation

Harry Aslanian, M.D.
Clinical interest: Gastrointestinal diseases including diseases of the pancreas and biliary tree, and clinical applications of gastrointestinal endoscopy.
Research interest: Advanced endoscopic techniques, and clinical aspects of biliary and pancreatic disease.

Henry J. Binder, M.D.
Clinical interest: General gastroenterology with particular interest in diarrheal and inflammatory bowel disease.
Research interest: The goal of our research program is to further the understanding of the regulation of colonic electrolyte transport; the clinical expression of these studies is an increased knowledge of the pathophysiology of and improved treatment for diarrheal disorders.

James L. Boyer, M.D.
Clinical interest: Liver Diseases
Research interest: Understanding the basic physiology of bile formation and the pathophysiologic mechanisms underlying cholestasis.

Judy Cho, M.D.
Clinical interest: Inflammatory Bowel Disease; Genetics
Research interest: Identifying genetic variation that affects susceptibility to and expression of inflammatory bowel disease (IBD).

Chuhan Chung, M.D.
Clinical interest: Liver Diseases

Jonathan A. Dranoff, M.D.
Clinical interest: Liver Disease, with emphasis on cirrhosis and primary diseases of the bile ducts
Research interest: Cellular mechanisms of liver fibrosis; Regulation of bile duct growth in health and disease

Rosemarie L. Fisher, M.D.
Clinical interest: Gastrointestinal Diseases; Emphasis on nutrition
Research interest: Clinical projects related to both gastrointestinal diseases and nutritional support.

Martin H. Floch, M.D.
Clinical interest: inflammatory bowel disease (colitis and ileitis), irritable bowel syndrome, diseases of malabsorption and malnutrition such as celiac disease and short bowel syndrome, and the new capsule endoscopy.

Guadalupe Garcia-Tsao, M.D.
Clinical interest: Liver Diseases; Emphasis on cirrhosis and portal hypertension
Research interest: Clinical research focusing on chronic liver disease and its complications.

Sahar Ghassemi, MD
Clinical interest: Nutrition, Motility and Clinical Gastroenterology.
Research interest: Medical education of providers and patients in the areas of chronic liver disease and cirrhosis. I am also interested in curriculum development for gastroenterology fellows and novel approaches to education.

Fred S. Gorelick, M.D.
Clinical interest: Gastrointestinal Diseases
Research interest: Physiologic function of the pancreatic acinar cell and the pathogenesis of acute pancreatitis.

Roberto J. Groszmann, M.D.
Clinical interest: Acute and chronic liver diseases with special interest in the treatment of complications of portal hypertension.
Research interest: Models of portal hypertension which focus on the understanding to the pathophysiology of portal hypertension and its logical treatment.

Avlin Imaeda, M.D.
Clinical interest: General Gastroenterology and Diseases of the small bowel
Research interest: Protective effects of low dose aspirin in liver disease, patient preferences and barriers to patient's seeking colonoscopic screening.

Yasuko Iwakiri, Ph.D.
Research interest: Nitric oxide (NO) signaling in endothelial cell biology.
Mechanisms of vascular abnormality observed in portal hypertension

Dhanpat Jain, M.B.B.S., M.D.
GI and Liver pathology.
Research interests: Liver tumors; Gastrointestinal stromal tumors; Prostate cancer/Risk and Mortality; Motility disorders of the bowel.

Priya Jamidar, M.D.
Clinical research: Diseases of the pancreas and biliary tree; Advanced Endoscopic Techniques
Research interest: Advanced endoscopic techniques; pancreatitis; sphincter of oddi dysfunction as well as other clinical aspects of biliary and pancreatic disease.

Cyrus R. Kapadia, M.D.
Clinical interest: Gastrointestinal Diseases
Research interest: Clinical research focusing on colorectal cancer.

Joseph Lim, M.D.
Clinical interest: Liver Disease
Research interest: Acute and chronic liver diseases, with emphasis on: 1) Viral hepatitis B and C, and 2) Fatty liver disorders, including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH).

Caroline Seton Loeser, M.D.
Clinical interest: GERD and extraintestinal manifestations of GERD, Barrett’s esophagus, gastrointestinal cancers, and inflammatory bowel diseas
Research interest: Endoscopic imaging including confocal endomicroscopy

Waj Z. Mehal, M.D., D.Phil.
Clinical interest: General hepatology with an interest in the management of hepatitis C in patients with end-stage renal disease.
Research interest: Immunology of the healthy and diseased liver.

Hannah Miller, M.D.
Clinical interest: Inflammatory Bowel Disease and Colon Cancer

Anil Bernard Nagar, M.D.
Clinical Interests:  Gastroenterology and liver diseases and advanced endoscopic procedures
Research Interests:  Clinical studies that examine the value of interventions for detecting and treating GI diseases

Michael H. Nathanson, M.D., Ph.D.
Chief, Section of Digestive Diseases
Clinical interest: Gastrointestinal and Liver Diseases
Research interest: Second messengers and regulated secretion in polarized epithelia.

Deborah D. Proctor, M.D.
Professor of Medicine
Gastroenterology Fellowship Program Director
Medical Director, Inflammatory Bowel Disease Program
Clinical interest: Gastrointestinal Diseases
Research interest: Clinical research focusing on Inflammatory Bowel Disease and Hereditary Hemorrhagic Telangiectasia.

Marie Robert, M.D.
Research interest: gastrointestinal and liver pathology, inflammatory bowel diseases, Barrett esophagus, dysplasia associated with inflammatory bowel disease and Barrett esophagus.

Michael Schilsky, M.D.
Clinical Interest: Transplant hepatology, Inherited metabolic disorders of the liver, Wilson disease, Hemochromatosis and iron overload disorders, alpha-1 antitrypsin disease, hepatocellular carcinoma, drug induced liver injury, acute liver failure
Research Interest: Wilson disease, disorders of metal metabolism, acute liver failure

Uzma D. Siddiqui M.D.
Clinical interest: pancreaticobiliary disease, EUS evaluation of malignancy and pancreatic cystic lesions, women's gastroenterological issues, and the treatment of GAVE and radiation proctitis.

Carol J. Soroka, Ph.D.
Research interest: Regulation of trafficking of hepatocytic apical canalicular membrane proteins to their site of function.

Carlo Spirli, Ph.D.
Research interest: Epithelial Cell Biology, Pathophysiology of Diseases of the Biliary Tree, Liver Cell Therapy.

Mario Strazzabosco M.D., Ph.D.
Clinical Interest: Transplant Hepatology, Hepatocellular Carcinoma, Biliary Tree Diseases
Research Interest: Epithelial Cell Biology, Pathophysiology of Diseases of the Biliary Tree, Liver Cell Therapy, Treatment of Liver Cancer

E. Scott Swenson M.D., Ph.D.
Research Interest: Investigating the role of stem and progenitor cells in the liver during normal development and in response to liver injury.

Tamar Taddei, M.D.
Clinical Interests: Liver disease: cirrhosis, transplant hepatology, metabolic liver diseases, and benign and malignant neoplasms of the liver.

Research Interest: Clinical and translational research on Gaucher Disease, the most common lysosomal storage disorder.

Edwin C. Thrower, PhD.
Research Interest: focuses on premature activation of digestive zymogens within pancreatic acinar cells, a key event in the initiation of acute pancreatitis (AP).