- 2014 - present
MemberPublications Committee, American Society for Gastrointestinal Endoscopy
- 2012
Abstract Selection ReviewerAmerican College of Gastroenterology
- 2011
MemberPractice Management Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 2011
MemberEducation Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 2011 - present
ReviewerF1000 Medicine, Gastroenterology and Hepatology, Section Esophagus
- 2010
Abstract Selection ReviewerEsophageal, Gastric and Duodenal Disorders Section, American Gastroenterological Association
- 2010
CouncilorImaging and Advanced Technology, American Gastroenterological Association
- 2009 - 2012
MemberTechnology Assessment Committee, American Society for Gastrointestinal Endoscopy
- 2009
Abstract Selection ReviewerEsophageal, Gastric and Duodenal Disorders Section, American Gastroenterological Association
- 2008 - 2009
MemberResearch Committee, American Society for Gastrointestinal Endoscopy
- 2008 - present
MemberAdvanced Endoscopy Interest Group, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 2008 - present
MemberGI Bleeding Team and Emergency Endoscopy, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 2005
ChairAnnual Scientific Program Committee, New Technology, American Society for Gastrointestinal Endoscopy
- 2005 - 2008
MemberTechnology Assessment Committee, American Society for Gastrointestinal Endoscopy
- 2004
Sub-chairAnnual Scientific Program Committee, New Technology, American Society for Gastrointestinal Endoscopy
- 2004 - 2008
DirectorGI Bleeding Team and Emergency Endoscopy, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 2000 - 2006
MemberInternational Society for Optical Engineering
- 2000 - 2004
MemberGI Bleeding Team and Emergency Endoscopy, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1997 - present
MemberRoyal College of Physicians and Surgeons of Canada
- 1996 - present
MemberAmerican Gastroenterological Association
- 1996 - present
MemberAmerican Society for Gastrointestinal Endoscopy
- 1996 - present
MemberAmerican College of Gastroenterology
- 1992 - 2000
MemberAmerican College of Physicians
- 1992 - present
MemberAmerican Medical Association