Clinical Executive Committee

The University Hospitals Digestive Health Institute's Clinical Executive Committee is a group of multi-disciplinary leaders within the institute who meet monthly to provide guidance in clinical making, strategic development, governance, and capital planning.

John A. Dumot, DO, FASGE
John A. Dumot, DO, FASGE
Director, University Hospitals Digestive Health Institute
Professor of Medicine, Case Western Reserve University School of Medicine
Fabio Cominelli, MD, PhD
Fabio Cominelli, MD, PhD
Chief Scientific Officer, University Hospitals Digestive Health Institute
Chief, Division of Gastroenterology and Liver Disease, University Hospitals Cleveland Medical Center
Hermann Menges, Jr. Chair in Internal Medicine
Director, Digestive Health Research Institute
Director, Silvio O. Conte Digestive Diseases Research Core Center
Associate Dean for Program Development, and Professor of Medicine and Pathology, Case Western Reserve University School of Medicine
David Dietz, MD
David Dietz, MD
Chief, Division of Colorectal Surgery, University Hospitals Cleveland Medical Center
Clinical Associate Professor of Surgery, Case Western Reserve University School of Medicine
George Ata, MBA
George Ata, MBA
Administrative Director, University Hospitals Digestive Health Institute
Amitabh Chak, MD
Amitabh Chak, MD
Chief Innovation Officer, University Hospitals Digestive Health Institute
Professor of Medicine, Case Western Reserve University School of Medicine
Jeff Hardacre, MD
Jeff Hardacre, MD
Chief Surgical Quality Officer, University Hospitals Digestive Health Institute
Chair, Surgical Oncology Quality Committee, University Hospitals Cleveland Medical Center
Associate Professor of Surgery, Case Western Reserve University School of Medicine
Gerard Isenberg, MD
Gerard Isenberg, MD
Chief Medical Quality Officer, University Hospitals Digestive Health Institute
Associate Professor of Medicine, Case Western Reserve University School of Medicine
Ray Onders, MD
Ray Onders, MD
Interim Chair, Department of Surgery, University Hospitals Cleveland Medical Center
Interim Chief, Division of General and Gastrointestinal Surgery, University Hospitals Cleveland Medical Center
Director, Adult Minimally Invasive Surgery, University Hospitals Cleveland Medical Center
Professor of Surgery, Case Western Reserve University School of Medicine
Bob Salata, MD
Bob Salata, MD
Interim Chair, Department of Medicine, University Hospitals Cleveland Medical Center
Physician-in-Chief, University Hospitals
Professor of Medicine, Case Western Reserve University School of Medicine
Mike Koehler, MD
Mike Koehler, MD
Medical Director, East Region, University Hospitals Digestive Health Institute
Assistant Clinical Professor of Medicine, Case Western Reserve University School of Medicine
Sapna Thomas, MD
Sapna Thomas, MD
Medical Director, West Region, University Hospitals Digestive Health Institute
Director of Endoscopy, University Hospitals Westlake Health Center
Assistant Professor of Medicine, Case Western Reserve University School of Medicine
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Rich Buchta, RN
Nursing Director