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Clinical Research PIs

Athos Bousvaros

Athos  Bousvaros, MD, MPH

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Inflammatory bowel disease

Associate Director, Inflammatory Bowel Disease Center

Assistant Professor of Pediatrics, Harvard Medical School

Research Overview Dr. Bousvaros studies the pathogenesis and therapy of inflammatory bowel disease (IBD). Goals of Dr. Bousvaros's research include the identification of microbial pathogens that may...

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Christopher Duggan MD

Christopher  Duggan, MD, MPH

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Nutrition

Director, Center for Nutrition

Associate Professor of Pediatrics, Harvard Medical School

Research Overview Dr. Duggan's major research interests include: the nutritional management of acute and persistent diarrhea micronutrient trials in developing countries general aspects of energy and...

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Susanna Huh, MD, MPH

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Nutrition, Obesity prevention

Director, Growth and Nutrition Program

Assistant Professor of Pediatrics, Harvard Medical School

Research Overview The goal of my research is to identify modifiable dietary and behavioral risk factors in early life associated with childhood health outcomes, particularly body composition and...

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Maureen Jonas

Maureen Jonas, MD

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Liver disease

Senior Associate in Medicine

Professor of Pediatrics, Harvard Medical School

Research Overview Maureen Jonas' research focuses on liver disease in children, with emphasis on viral hepatitis. She was the principal investigator in the multicenter International Pediatric...

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Alan Leichtner

Alan  Leichtner, MD, MSHPE, FAAP

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Celiac disease

Associate Chief, Division of Gastroenterology, Hepatology and Nutrition; Director, The Celiac Disease Program

Associate Professor of Pediatrics, Harvard Medical School

Research Overview Alan Leichtner's research focuses on developing and evaluating treatments for inflammatory bowel disease, gastroesophageal reflux, and celiac disease in children. About Alan...

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Samuel Nurko, MD, MPH

Samuel  Nurko, MD, MPH

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Gastrointestinal Motility Disorders

Director, Center for Motility and Functional Gastrointestinal Disorders

Associate Professor of Pediatrics, Harvard Medical School

Research Overview Dr. Nurko's research focuses on Gastrointestinal Motility Disorders in children. His main interest is in the areas of mechanisms of defecation and fecal continence, constipation, non...

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Rachel Rosen, MD

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Associate Director of Clinical Research

Assistant Professor of Pediatrics, Harvard Medical School

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Paul Rufo MD MMSc

Paul A.  Rufo, MD, MMSc

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Inflammatory bowel disease

Assistant in Medicine

Assistant Professor of Pediatric, Harvard Medical School

Research Overview Dr. Rufo's current research interests are focused on the development of novel treatments and diagnostic tools for use in the management of children and adults with inflammatory...

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Scott Snapper, MD, PhD

Scott B.  Snapper, MD, PhD

Research Lab: Snapper Laboratory

Research Department: Medicine Research

Research Division: Gastroenterology, Hepatology and Nutrition Research

Research Focus Area: Internal Bowel Disease, Mucosal Immunology, Microbiology, Inflammatory bowel disease

Director, Inflammatory Bowel Disease Center

Associate Professor of Medicine, Harvard Medical School

Research Overview The Snapper laboratory is interested in the mechanisms that control immune responses and function in the gastrointestinal tract as well as host-microbial interactions that, in turn,...

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