- 2024
Committee MemberNIH NIAID Investigator Initiated Program Project Applications (PO1 Clinical Trial)
- 2023
Board MemberBeyond Celiac Disease Advisory Board Committee
- 2022
Board MemberTakeda Advisory Board
- 2022
Board MemberTakeda Advisory Board
- 2021 - present
Committee MemberMayo Clinic Information Security Ambassador
- 2017 - present
MemberAmerican Gastroenterology Association - Clinical Practice Updates Committee
- 2016 - present
Vice-ChairAmerican Gastroenterology Association - Intestinal Disorders Section
- 2015 - 2017
Past PresidentNorth American Society for the Study of Celiac Disease
- 2013 - 2015
PresidentNorth American Society for the Study of Celiac Disease
- 2012 - present
MemberAmerican Gastroenterology Association
- 2011 - present
FounderNorth American Society for the Study of Celiac Disease
- 2011 - present
President-ElectNorth American Society for the Study of Celiac Disease
- 2010 - present
FellowAmerican Gastroenterology Association
- 2005 - present
MemberClinical Immunology and Immunotherapeutics Program
- 2005 - present
Abstract Selection ReviewerAmerican Gastroenterology Association - Intestinal Disorders Section
- 2004
Member13th Biennial American Motility Society Meeting at Mayo Clinic, Rochester, MN
- 2004 - present
MemberAbstract Selection Committee for Celiac Disease and Celiac Disease Immunopathology, Digestive Disease Week
- 2004 - present
Abstract Selection ReviewerAmerican Gastroenterology Association - Celiac Disease and Celiac Disease Immunopathology Section
- 2003 - present
MemberAmerican Association of Immunologists
- 2001 - 2014
ChairDysphagia Clinic Planning Group
- 2001 - 2004
MemberStrategic Planning Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 2000 - 2004
Abstract Selection ReviewerAmerican Gastroenterology Association - Celiac Disease Section
- 1999 - 2002
MemberResearch Committee, Division of Gastroenterology and Hepatology, Department of Internal Medicine
- 1999
MemberImpedance Medical Advisory Board
- 1999 - present
ChairAmerican Motility Society - Clinical Practice Committee
- 1999 - present
ChairAmerican Motility Society - Esophageal Motility Working Party
- 1998 - 2002
Co-ChairCeliac Disease Foundation
- 1998 - 2000
Abstract Selection ReviewerAmerican Gastroenterology Association - Esophageal Diseases, Non-Reflux Section
- 1998 - present
FounderCeliac Disease Foundation
- 1998 - present
MemberInternational Society for Diseases of the Esophagus
- 1996 - 1997
Abstract Selection ReviewerAmerican Gastroenterology Association - Esophageal Motility, Basic/Clinical Section
- 1996 - present
MemberAmerican Motility Society
- 1995 - present
Medical AdvisorCeliac Disease Foundation
- 1995 - present
MemberCeliac Disease Foundation
- 1994 - 1997
Abstract Selection ReviewerAmerican Gastroenterology Association - Esophageal Physiology Section
- 1994 - present
MemberGluten Intolerance Group of North America
- 1994 - present
MemberMedical Advisory Board, Gluten Intolerance Group of North America
- 1991 - 1998
MemberMidwest Gut Club
- 1988 - 1991
Trainee MemberAmerican Gastroenterology Association
- 1988 - present
MemberAmerican Gastroenterology Association
- 1987 - 1990
MemberIrish Society of Gastroenterology
- 1986 - present
MemberRoyal College of Physicians of Ireland
- 1983 - 1987
MemberIrish Medical Organisation