- 2008 - 2009PresidentSociety for Simulation in Healthcare 
- 2007 - 2010Executive Committee MemberSociety for Simulation in Healthcare 
- 2007 - 2008President-ElectSociety for Simulation in Healthcare 
- 2006MemberProgram Committee, 6th Annual International Meeting on Medical Simulation, San Diego, CA 
- 2006 - presentMemberMayo Sentinel Event Safety Advisory Panel 
- 2006 - presentMemberCharter Board of Directors, Society for Medical Simulation 
- 2005 - 2006Co-ChairExcellence in Quality and Safety in Critical Care Committee, Society of Critical Care Medicine 
- 2005 - 2007MemberBoard of Directors, Faith Alive Foundation 
- 2005 - 2006Co-ChairBylaws Committee, Society for Medical Simulation 
- 2005Co-ChairInternational Meeting on Medical Simulation, Albuquerque, NM 
- 2004 - 2010MemberBoard of Directors, Society for Simulation in Healthcare 
- 2004 - presentMemberBoard of Overseers, Society for Medical Simulation 
- 2001MemberClinical Practice Committee - Rochester 
- 2001 - presentRepresentativeRochester Education Space and Equipment Committee, Mayo Clinic Rochester Committees 
- 2000MemberAdministrative Committee, Department of Internal Medicine 
- 2000MemberPersonnel Committee - Rochester, Mayo Clinic Rochester Committees 
- 2000MemberResuscitation Committee, Mayo Clinic Rochester Committees 
- 2000MemberExecutive Committee, Clinical Practice Committee - Rochester 
- 1998 - 2004MemberHLT Physician Liaison Work Group, Mayo Clinic Rochester Committees 
- 1997 - 2005Medical DirectorMultidisciplinary ICU, Mayo Clinic Rochester Committees 
- 1997 - 1998MemberEthics Education Committee, Ethics Subcommittee - Clinical - Rochester, Clinical Practice Committee - Rochester 
- 1997 - presentMemberEthics Consultation Service, Ethics Subcommittee - Clinical - Rochester, Clinical Practice Committee - Rochester 
- 1996 - 2006MemberEducation Committee, Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine 
- 1992 - 2006DirectorMultidisciplinary Mayo Critical Care Fellowship, Department of Internal Medicine 
- 1992 - 2006DirectorCritical Care Fellowship Program, Critical Care Service, Department of Internal Medicine 
- 1992 - 2006ChairCritical Care Education Committee, Critical Care Service, Department of Internal Medicine 
- 1992 - 2006MemberMultidisciplinary Mayo Critical Care Fellowship, Department of Internal Medicine 
- 1992 - 2006MemberSubcommittee on Subspecialty Training, Mayo Clinic Rochester Committees 
- 1992 - presentMemberCritical Care Fellowship Program, Critical Care Service, Department of Internal Medicine 
- 1991 - 2006MemberRochester Education Space and Equipment Committee, Mayo Clinic Rochester Committees 
- 1991 - 2000DirectorPulmonary Medicine Outreach Program, Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine 
- 1991 - 2000MemberPulmonary Medicine Outreach Program, Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine 
- 1989 - 2006MemberCritical Care Education Committee, Critical Care Service, Department of Internal Medicine 
- 1989 - 1994MemberCritical Care Research Committee, Critical Care Service, Department of Internal Medicine 
- 1989 - presentMemberCritical Care Subcommittee on Procedural Coding, Critical Care Service, Department of Internal Medicine 
- 1989 - presentMemberZumbro Valley Medical Society, Minnesota Medical Association 
- 1984 - 1985ChairPharmacy and Therapeutics Committee, Franklin Regional Medical Center 
- 1984 - 1985ChairLibrary Committee, Franklin Regional Medical Center 
- 1984 - 1985MemberLibrary Committee, Franklin Regional Medical Center 
- 1984 - 1985MemberPharmacy and Therapeutics Committee, Franklin Regional Medical Center 
- 1978 - presentMemberHorbart Amory Hare Honor Medical Society 
-  LeaderFellows' Critical Care Journal Club, Department of Internal Medicine 
-  MemberRochester Systems Intermediary Group, Mayo Clinic Rochester Committees 
-  MemberEducation Leadership ACGME Core Competencies Work Group, Department of Internal Medicine 
-  MemberEducation Committee, Mayo Clinic Rochester Committees 
-  FellowAmerican College of Chest Physicians 
-  FellowAmerican College of Physicians 
-  MemberSigma Xi, The Scientific Research Society 
-  MemberNominations Committee, Society for Medical Simulation 
-  MemberPublications Committee, Society for Medical Simulation