- 2019 - present
MemberInstitutional Review Board Committee, Mayo Clinic Committees
- 2019 - present
CouncilorObesity, Nutrition and Metabolism (OMN) Section, Institute Council, American Gastroenterological Association
- 2017
Co-ModeratorDigestive Disease Week, American Gastroenterological Association Intestinal Disorders and Food Intolerance Research Forum
- 2017
GI Group LeaderAbstract Review Committee, American Society for Parenteral and Enteral Nutrition
- 2016
Abstract Vice-ChairDigestive Disease Week - American Gastroenterological Association Neurogastroenterology and Motility Section, Small Bowel Motility, Intestinal Disorders, and Food Intolerance
- 2016
MemberArizona State University PhD Review Committee - Zehra Esra Ilhan
- 2016 - present
ChairFunctional GI Disorders Abstract Review Subcommittee, American College of Gastroenterology
- 2015
MemberASU/Mayo Seed Grant Review Committee, Mayo Clinic Arizona Committees
- 2015
Abstract ReviewerDigestive Disease Week - American Gastroenterological Association Neurogastroenterology and Motility Section, Small Bowel Motility, Intestinal Disorders, and Food Intolerance
- 2014
MemberDepartment Chair Search Committee, Division of Rheumatology, Department of Internal Medicine
- 2014
MemberResearch Grants Review Committee, Rome Foundation
- 2014 - present
MemberPractice Parameters Committee, American College of Gastroenterology
- 2013
MemberChair Search Committee, Division of Endocrinology, Department of Internal Medicine
- 2013
Medical DirectorClinical Studies Unit, Mayo Clinic Arizona Committees
- 2012 - 2014
MemberLeadership Team, Department of Internal Medicine
- 2012 - 2014
ChairClinical Practice Committee, American Society for Parenteral and Enteral Nutrition
- 2012 - 2014
MemberResearch Committee, American Society for Parenteral and Enteral Nutrition
- 2012 - 2014
MemberDrug Shortages Subcommittee, Clinical Practice Committee, American Society for Parenteral and Enteral Nutrition
- 2012 - 2013
MemberResearch Grants Review Committee, Rome Foundation
- 2012
MemberTranslational Research Fellowship Review Committee, Mayo Clinic Arizona Committees
- 2012
MemberCareer Development Study Section, Mayo Clinic Center for Translational Science Activities
- 2012
Member2012 Planning Committee, Clinical Nutrition Week, American Society for Parenteral and Enteral Nutrition
- 2012
Co-ModeratorObesity - Advances in Clinical Management, Digestive Disease Week, American Gastroenterological Association
- 2011
Co-DirectorWestern Regional Postgraduate Course, American College of Gastroenterology
- 2011 - 2020
MemberPost-Graduate Medical Education in Nutrition Task Force, American Society for Parenteral and Enteral Nutrition
- 2011 - 2017
MemberData and Safety Monitoring Board, EndoStim Inc.
- 2011 - 2013
MemberResearch Career Development Subcommittee - Mayo Clinic, Mayo Clinic Research Committee, Mayo Clinic Committees
- 2011 - 2012
MemberClinical Practice Committee, American Society for Parenteral and Enteral Nutrition
- 2011
MemberMayo-TGen Seed Grand Review Committee, Mayo Clinic Arizona Committees
- 2011
MemberNominating Committee, Nutrition and Obesity Committee, American Gastroenterological Association
- 2011
MemberLiver and Nutrition Subcommittee, Clinical Practice Committee, American Gastroenterological Association
- 2010 - 2016
MemberClinical Research Subcommittee, Research Committee, Executive Operations Team - Arizona
- 2010 - 2014
ChairGastroenterology Disease Oriented Group, Division of Gastroenterology, Department of Internal Medicine
- 2010 - 2013
Associate Chair for ResearchDepartment of Internal Medicine
- 2010 - 2013
MemberResearch Operations Management Team, Department of Research Services
- 2010 - 2013
ChairProgram Evaluation and Needs Assessment Subcommittee, Educational Affairs Committee, American College of Gastroenterology
- 2010
MemberClinical Research Working Group, Clinical Research Subcommittee, Research Committee
- 2010
MemberMayo-ASU Seed Grant Review Committee, Mayo Clinic Arizona Committees
- 2010
MemberTranslational Research Fellowship Review Committee, Mayo Clinic Arizona Committees
- 2010
Co-ModeratorNutritional Support Research Forum, Digestive Disease Week, American Gastroenterological Association
- 2010
ChairFunctional GI Disorders Abstract Review Subcommittee, American College of Gastroenterology
- 2010
MemberMonitoring Committee, Clinical Nutrition Week, American Society for Parenteral and Enteral Nutrition
- 2010
Member2011 Planning Committee, Clinical Nutrition Week, American Society for Parenteral and Enteral Nutrition
- 2009
ChairProgram Evaluation Subcommittee, Educational Affairs Committee, American College of Gastroenterology
- 2009
MemberDesign Task Force, Clinical Nutrition Week, American Society for Parenteral and Enteral Nutrition
- 2009
MemberMonitoring Committee, Clinical Nutrition Week, American Society for Parenteral and Enteral Nutrition
- 2009
MemberInterdisciplinary Review Committee, American Society for Parenteral and Enteral Nutrition
- 2009
MemberSeed Grant Program (R24DK067674) Review Committee, National Institutes of Health
- 2008 - 2016
MemberMERGE Subcommittee, Mayo Clinic Data Governance Committee, Management Team - Mayo Clinic
- 2008 - 2011
MemberInstitutional Review Board Committee, Mayo Clinic Committees
- 2008 - 2009
MemberExecutive Committee, Division of Gastroenterology, Department of Internal Medicine
- 2008 - 2009
MemberAnnual Meeting Planning Subcommittee, American College of Gastroenterology
- 2008 - 2009
Vice ChairEducation and Professional Development Committee, American Society for Parenteral and Enteral Nutrition
- 2008
MemberPeer Review Group, Scholarly Opportunity Award, Mayo Clinic Center for Translational Science Activities
- 2008
ChairNutrition and Obesity Section, Vitamins, Minerals, Micronutrients and Herbal and Alternative Therapies, Digestive Disease Week, American Gastroenterological Association
- 2008
Abstract ReviewerNutrition and Obesity Section, Vitamins, Minerals, Micronutrients and Herbal and Alternative Therapies, Digestive Disease Week, American Gastroenterological Association
- 2008
Co-ModeratorDDW 2008, San Diego, Ca, Enteral and Parenteral Nutrition Research Forum, Digestive Disease Week
- 2008
MemberClinical Vignette Abstract Review Subcommittee, American College of Gastroenterology
- 2007 - 2013
MemberEducational Affairs Committee, American College of Gastroenterology
- 2007 - 2009
MemberEducation and Professional Development Committee, American Society for Parenteral and Enteral Nutrition
- 2007
MemberScientific Grants Review Committee, Rome Foundation
- 2007 - present
Medical DirectorNutrition Services, Department of Internal Medicine
- 2007 - present
MemberGastroenterology Disease Oriented Group, Division of Gastroenterology, Department of Internal Medicine
- 2007 - present
Abstract ReviewerClinical Nutrition Section, Digestive Disease Week, American Gastroenterological Association
- 2005 - 2009
Co-DirectorMotility Interest Group, Division of Gastroenterology, Department of Internal Medicine
- 2005 - 2009
MemberSubcommittee on CME, American Gastroenterological Association
- 2005 - 2006
Abstract ReviewerPharmacotherapeutics in Functional Bowel Diseases, Digestive Disease Week, American Gastroenterological Association
- 2005 - present
DirectorNutrition Interest Group, Department of Internal Medicine
- 2005 - present
MemberPhoenix Society of Gastroenterology
- 2003 - 2004
MemberGI Division Salary Committee, University of Nebraska Medical Center
- 2003 - 2004
MemberClinical Research, Internal Medicine Research Council, University of Nebraska Medical Center
- 2003 - present
MemberAmerican Society for Parenteral and Enteral Nutrition
- 2002 - 2004
MemberFellowship Evaluation Committee, University of Nebraska Medical Center
- 2002 - 2004
MemberInternal Medicine Research Council, University of Nebraska Medical Center
- 2001 - 2004
Medical DirectorIntestinal Rehabilitation Program, University of Nebraska Medical Center
- 2000 - 2004
MemberInternational Electrogastrography Society
- 2000 - 2002
PresidentNebraska Gut Club
- 2000 - present
MemberAmerican Neurogastroenterology and Motility Society
- 1998 - 2004
DirectorMotility Center, University of Nebraska Medical Center
- 1995 - 2019
MemberAmerican Society for Gastrointestinal Endoscopy
- 1995 - 2007
MemberAmerican College of Physicians-American Society of Internal Medicine
- 1995 - present
MemberAmerican College of Gastroenterology
- 1995 - present
MemberAmerican Gastroenterological Association
- 1991 - present
MemberAlpha Omega Alpha Honor Medical Society
-
Division of Rheumatology, Department of Internal Medicine
-
ConsultantFood and Drug Administration
-
Ad Hoc Grant ReviewerFood and Drug Administration