- 2022 - presentPhysician MemberMSCPD Maintenance of Certification 
- 2022 - presentMemberMCR Pelvic Floor Redesign Task Force 
- 2020 - presentPhysician ChairAmbulatory Falls with Injury Prevention Subcommittee, Department Committees, Department of Nursing 
- 2020 - presentPhysician MemberMedical Implantable Device Oversight Subcommittee 
- 2019 - 2020Immediate Past PresidentAmerican College of Gastroenterology 
- 2018 - presentMemberAmbulatory Patient Safety Task Force, Mayo Clinic Rochester Task Forces 
- 2018 - 2019PresidentAmerican College of Gastroenterology 
- 2018 - 2020Physician Member RocheesterReducing Falls With Injury (REFINe) Charter Project, Department Committees, Department of Nursing 
- 2017 - presentMemberModerate Sedation Committee, Mayo Clinic Rochester Committees 
- 2017 - 2018President-ElectAmerican College of Gastroenterology 
- 2016 - presentFellowAmerican College of Physicians 
- 2016 - 2017Vice PresidentAmerican College of Gastroenterology 
- 2016ReviewerAbstract Review Committee for IBD: Uncontrolled Clinical Observations, American Gastroenterological Association 
- 2016 - presentMentorREACH-IBD Program, Crohn's and Colitis Foundation of America 
- 2015 - 2016Secretary-TreasurerAmerican College of Gastroenterology (ACG) 
- 2015 - 2019MemberAmerican Board of Internal Medicine, GI SEP Question Group 
- 2015 - presentContributorAmerican Board of Internal Medicine 
- 2015 - 2016TreasurerAmerican College of Gastroenterology 
- 2014 - presentChairAssociation of Reproductive Health Professionals, Organizing Committee of IBD and the Female Patient Symposium 
- 2014 - 2019MemberAmerican Board of Internal Medicine, GI Specialty Board 
- 2014 - 2016Advisory Group MemberGastroenterology Fellows Education Committee 
- 2014 - 2016Advisory Group MemberCommittee on Patient Experience 
- 2014 - presentAdvisory Board MemberAmerican Board of Internal Medicine 
- 2014 - 2015SecretaryAmerican College of Gastroenterology 
- 2014ReviewerAbstract Review Committee for IBD: Uncontrolled Clinical Observations, American Gastroenterological Association 
- 2014ReviewerAbstract Review Committee for Clinical Practice: IBD, American Gastroenterological Association 
- 2013 - 2019MemberMulti-Society Performance Measures Development Committee 
- 2013 - 2014MemberFinance and Budget Committee, American College of Gastroenterology 
- 2013ReviewerAbstract Review Committee for IBD, American Gastroenterological Association 
- 2012ReviewerAbstract Review Committee for IBD: Therapeutic Monitoring, American Gastroenterological Association 
- 2011 - presentChairChair, Quality Division of Gastroenterology and Hepatology 
- 2010 - presentReviewerScientific Abstracts, Inflammatory Bowel Diseases: Diagnostics and Disease Assessment, American Gastroenterological Association 
- 2009ReviewerScientific Abstracts, Clinical Practice: Quality of Life, American Gastroenterological Association 
- 2009 - presentMemberAdvances in Inflammatory Bowel Diseases, Clinical Tract Organizing Committee 
- 2008Moderator - Scientific AbstractsSymposium on Effect of Immunomodulator Therapy, Digestive Disease Week, American Gastroenterological Association 
- 2008ChairInvesting in the Future of Clinical IBD, American Gastroenterological Association 
- 2008 - 2013MemberFederal Drug Administration, Gastrointestinal Drug Advisory Committee 
- 2008 - 2013TrusteeAmerican College of Gastroenterology 
- 2008 - 2011Ad Hoc MemberResearch Grant Review Committee, Crohn's and Colitis Foundation of America 
- 2008 - 2011ChairPatient Education Committee, Crohn's and Colitis Foundation of America 
- 2008MemberDigestive Disease Week, American Gastroenterological Association 
- 2007 - 2010Board MemberAmerican College of Gastroenterology 
- 2007 - presentMemberGastroenterology Fellows Education Committee 
- 2007 - presentCo-DirectorAnnual Postgraduate Course, American College of Gastroenterology 
- 2007 - presentCourse Co-DirectorIBD School, American College of Gastroenterology 
- 2006 - 2007Member and Peer AdvisorInvesting in the Future of Clinical IBD, American Gastroenterological Association 
- 2006 - 2009MemberNeeds Assessment Sub-Committee, American College of Gastroenterology 
- 2006 - 2009MemberPatient Education Committee, Crohn's and Colitis Foundation of America 
- 2006 - 2007MemberInternet Education Sub-Committee, Educational Affairs Committee, American College of Gastroenterology 
- 2006 - 2007MemberUniversity of Chicago 
- 2006MemberIntern Selection Committee, University of Chicago 
- 2006Cluster Group LeaderNIH Sponsored Summer Research Program, University of Chicago 
- 2005 - 2019ChairNorth American Conference for Gastroenterology Fellows 
- 2005 - 2015ChairColon, Abstract Selection Subcommittees, American College of Gastroenterology 
- 2005 - 2008ChairWomen in Gastroenterology Committee, American College of Gastroenterology 
- 2005 - 2008MemberGastroenterology Women's Coalition 
- 2005 - 2006MemberMedical Care Ombudsman Program 
- 2005 - 2006MemberGastroenterology Fellowship Curriculum Committee, University of Chicago 
- 2005MemberAdvisory Board for "No More Digestive Problems" book on women's GI health, American Gastroenterological Association 
- 2005Cluster Group LeaderNIH Sponsored Summer Research Program, University of Chicago 
- 2004Co-ModeratorSymposium on Pregnancy in GI Diseases, Digestive Disease Week, New Orleans, LA, American Gastroenterological Association 
- 2004 - 2007MemberSelf-Assessment Test Sub-Committee, Educational Affairs Committee, American College of Gastroenterology 
- 2004 - 2007MemberInstitutional Review Board, University of Chicago 
- 2004 - 2006MemberAudio Cassette Learning Tapes Sub-Committee, Educational Affairs Committee, American College of Gastroenterology 
- 2004MemberSymposium on Clinical Challenges in IBD, Orlando, FL, American College of Gastroenterology 
- 2004MemberSymposium on The Role of Endoscopy in IBD, Digestive Disease Week, New Orleans, LA, American Society for Gastrointestinal Endoscopy 
- 2004Cluster Group LeaderNIH Sponsored Summer Research Program, University of Chicago 
- 2004 - presentCo-ChairmanNorth American Conference for Gastroenterology Fellows 
- 2003 - 2006MemberPhysician Education Committee, Crohn's and Colitis Foundation of America 
- 2003 - 2006MemberContinuing Medical Education Board, University of Chicago 
- 2003MemberIBD Section, Scientific Abstracts, American College of Gastroenterology 
- 2003 - presentCo-ChairmanNorth American Conference for Gastroenterology Fellows 
- 2002Co-ModeratorSymposium on Osteoporosis and GI Conditions, Digestive Disease Week, San Francisco CA, American Gastroenterological Association 
- 2002 - 2007MemberChapter Medical Advisory Committee, Crohn's and Colitis Foundation of America 
- 2002ReviewerScientific Abstracts, Healthcare Outcomes Section, American Gastroenterological Association 
- 2002Co-ModeratorIBD Plenary Session, Seattle, WA, American College of Gastroenterology 
- 2001 - 2004MemberWomen in Gastroenterology Committee, American Gastroenterological Association 
- 2001 - 2004Co-Founder and PresidentWE CARE in IBD 
- 2001 - 2003ReviewerScientific Abstracts, Inflammatory Bowel Diseases: Diagnostics and Disease Assessment, American Gastroenterological Association 
- 2001 - presentMemberAmerican Society for Gastrointestinal Endoscopy 
- 2000 - 2007MemberEducational Affairs Committee, American College of Gastroenterology 
- 2000 - 2006MemberWomen in Gastroenterology Committee, American College of Gastroenterology 
- 2000 - 2006MemberScientific Advisory Committee, General Clinical Research Center, University of Chicago 
- 2000 - 2003MemberPatient Education Committee, Crohn's and Colitis Foundation of America 
- 2000 - 2003Department RepresentativeHospital Medicare Compliance Committee, University of Chicago 
- 1999 - 2001MemberAssociation for Patient Oriented Research 
- 1999 - presentMemberGastroenterology Research Group 
- 1999 - presentMemberCrohn's and Colitis Foundation of America 
- 1998MemberWomen Physicians Congress, American Medical Association 
- 1997 - presentMemberAmerican College of Gastroenterology 
- 1996 - presentMemberAmerican Gastroenterological Association 
- 1994 - presentMemberAmerican College of Physicians 
- 1950 - presentMemberCrohn's Disease Working Group, Steering Committee 
- 1950 - presentMemberGI Health Foundation, Steering Committee 
- 1950 - presentAd hoc scientific reviewerCrohn's and Colitis Foundation of Canada 
- 1950 - presentAd Hoc ReviewerCenters for Disease Control, National Center for Chronic Disease Prevention and Health Promotion 
- 1950 - presentAd Hoc ReviewerUnited States Department of Health and Human Services, Agency for Healthcare Research and Quality 
- 1950 - presentChairNational Institutes of Health/National Institute of Diabetes and Digestive and Kidney Diseases Protect Trial, Data Safety Monitoring Board 
- 1950 - presentMemberAmerican Gastroenterological Association, Advisory Board for the book "No More Digestive Problems" 
- 1950 - presentMemberCentocor Pharmaceuticals, Data Safety Monitoring Board 
- 1950 - presentMemberNOTES, Data Safety Monitoring Board 
-  Invited ReviewerDigestive Disease Self Education Program V, American Gastroenterological Association 
-  MemberData Safety Monitoring Board for Pharmaceuticals Trial CNTO 1275, Centocor 
-  ConsultantCentocor 
-  ConsultantAccordant Health 
-  ConsultantAstraZeneca Pharmaceuticals 
-  ConsultantEBMed 
-  ConsultantElan Pharmaceuticals, Inc. 
-  ConsultantFerring Pharmaceuticals 
-  ConsultantProcter and Gamble Pharmaceuticals 
-  ConsultantPrometheus Laboratories 
-  ConsultantSalix Pharmaceuticals, Inc. 
-  ConsultantShire Pharmaceuticals 
-  ConsultantUCB Pharma 
-  Faculty MemberClinical Advisors Program, American Gastroenterological Association 
-  MemberUndergraduate Research Thesis Committee, University of Chicago 
-  Faculty FacilitatorChicago GI Fellows Gut Club 
-  MemberGastroenterology Fellows Promotion and Evaluations Committee, University of Chicago