- 2019 - presentFellow MemberAmerican Surgical Association 
- 2019 - presentMemberExecutive Council, Priestley Society 
- 2016 - 2019Advisory Council for Colon & Rectal Surgery, American College of Surgeons 
- 2014 - 2024Board MemberAmerican Board of Colon and Rectal Surgery 
- 2014 - 2018ChairOral Examination Committee, American Board of Colon and Rectal Surgery 
- 2014 - presentFacilitatorCR eTumor Board 
- 2014 - presentAssociate DeanMayo School of Graduate Medical Education 
- 2014 - presentChairGraduate Education Committee, Mayo School of Graduate Medical Education 
- 2013 - 2019MemberOffice of Staff Services 
- 2011 - 2013Task Force MemberMinnesota Cancer Alliance 
- 2011 - presentFacilitatorSurgical Handoff Task Force, Division of Colon & Rectal Surgery, Department of Surgery 
- 2010 - presentAssociate Program DirectorDepartment of Surgery 
- 2010 - presentMemberGI-Related Biospecimen Access Committee, Mayo Clinic Rochester Committees 
- 2010 - presentAssociate MemberWritten Examination Committee, American Board of Colon and Rectal Surgery 
- 2009 - presentOral ExaminerAmerican Board of Colon and Rectal Surgery 
- 2009 - 2014MemberOperative Competency Evaluation Committee, American Society of Colon and Rectal Surgeons 
- 2009 - 2012MemberFaculty Development Committee, Program Directors Association, Colon and Rectal Surgery 
- 2009 - 2010FacilitatorMinimally Invasive Surgery Workgroup, Division of Colon & Rectal Surgery, Department of Surgery 
- 2008 - 2010FacilitatorColorectal Research Workgroup, Division of Colon & Rectal Surgery, Department of Surgery 
- 2007 - 2015MemberWestern Surgical Association 
- 2007 - 2011MemberOR Allocation Workgroup, Department of Surgery 
- 2007 - 2009MemberResidency Review Committee Appointee, American College of Surgeons 
- 2007 - presentMemberOn Call Task Force Committee, Department of Surgery 
- 2006 - 2013Residency Review Committee 
- 2006 - 2012MemberResidency Review Committee for Colon and Rectal Surgery, Accreditation Council for Graduate Medical Education 
- 2006 - 2012Secretary/TreasurerPriestley Society 
- 2006 - 2009FacilitatorYoung Onset Colorectal Cancer Workgroup, Division of Colon & Rectal Surgery, Department of Surgery 
- 2006 - 2009Appointed MemberResidency Review Committee 
- 2006 - 2008MemberPersonnel Committee - Rochester, Mayo Clinic Rochester Committees 
- 2005 - 2010MemberCrohn's and Colitis Foundation of America 
- 2005 - 2009MemberCME Committee, American Society of Colon and Rectal Surgeons 
- 2005 - presentMemberClinical Experience Curriculum Committee, Mayo Clinic Committees 
- 2005 - presentMemberEducation Committee, Mayo Medical School, Mayo Clinic College of Medicine and Science 
- 2005 - presentFellowAmerican College of Surgeons 
- 2005 - presentFellowAmerican Society of Colon and Rectal Surgeons 
- 2004 - 2012MemberProgram Directors Association, Colon and Rectal Surgery 
- 2004 - 2006MemberSociety of American Gastrointestinal and Endoscopic Surgeons 
- 2004 - presentMemberGeneral Surgery Residency Committee, Division of Subspecialty General Surgery, Department of Surgery 
- 2004 - presentMemberProgram Director Colon & Rectal Surgery, Division of Colon & Rectal Surgery, Department of Surgery 
- 2004 - presentMemberSociety of Surgeons in Chile 
- 2004 - presentMemberChilean Society of Coloproctology 
- 2003 - 2006MemberFrancis 2C CI Team, Saint Marys Hospital 
- 2003 - 2005MemberInterdivisional Affairs Committee, Department of Surgery 
- 2003 - 2005MemberCoordinating Committee, Mayo Clinic Rochester Committees 
- 2003 - presentMemberCONTACT, Department of Surgery 
- 2003 - presentMemberMinnesota Surgical Society 
- 2003 - presentMemberAmerican College of Surgeons 
- 2002 - 2012MemberEducational Conference Director, Division of Colon & Rectal Surgery, Department of Surgery 
- 2002 - 2012MemberAssociation of Program Directors for Colon & Rectal Surgery 
- 2002 - 2006MemberPain Management Committee, Saint Marys Hospital 
- 2002 - 2004MemberGonda 9 Integration Project Committee, Mayo Clinic Rochester Committees 
- 2002 - 2004MemberOperating Room Efficiency Task Force, Department of Surgery 
- 2001 - 2009MemberPatient Education Committee, Division of Colon & Rectal Surgery, Department of Surgery 
- 2001 - 2006MemberYoung Surgeons Committee, Department of Surgery 
- 2001 - 2004MemberYoung Surgeons Committee, American Society of Colon and Rectal Surgeons 
- 2000 - presentMemberPriestley Society 
- 1999 - presentMemberAmerican Society of Colon and Rectal Surgeons 
- 1992 - 1993PresidentAmerican Medical Student Association 
- 1992AdministratorPublic Health, National Health Service Corps 
- 1992MemberHealth Promotion Disease Prevention Project, Public Health, National Health Service Corps 
- 1992MemberPublic Health Data Collection of Native American population, Public Health, National Health Service Corps 
- 1992MemberLead poisoning study in children under Lydia Caros, MD, Public Health, National Health Service Corps 
- 1992MemberIndian Health Clinic, Minneapolis, Public Health, National Health Service Corps 
- 1991 - 1995MemberSanta Cruz AIDS Project, University of California, Santa Cruz 
- 1991 - 2001MemberAmerican Medical Student Association 
- 1991 - 1995MemberConfidential Peer Assistance Program, University of Minnesota Medical School 
-  MemberGraduate Medical Education Committee, Mayo School of Graduate Medical Education 
-  MemberMOC Committee, American Board of Colon and Rectal Surgery