- 2022 - presentCo-ChairWorld Bronchiectasis Day  
- 2018 - presentCo-ChairWorld Bronchiectasis Congress Scientific Planning Committee 
- 2016 - 2022Medical DirectorDepartment of Chaplain Services 
- 2015 - 2021ChairUnited States Bronchiectasis and Research Registry 
- 2015 - presentMemberCOPD Foundation - MASAC 
- 2013 - presentMayo Clinic Center for Tuberculosis, Division of Infectious Diseases, Department of Internal Medicine 
- 2012 - presentMemberSpirituality in Healthcare Committee, Clinical Practice Committee - Rochester 
- 2010 - presentMemberEuropean Multicentre Bronchiectasis Audit and Research Collaboration (EMBARC) 
- 2008 - presentMemberNontuberculous Mycobacteria Network European Trialsgroup 
- 2008 - 2013ChairTuberculosis Advisory Committee, Minnesota Department of Health 
- 2007 - presentFounder and MemberUnited States Bronchiectasis and NTM Research Registry 
- 2006 - 2013Advisory Board MemberHeartland National TB Center 
- 2006 - 2013MemberHeartland National TB Center 
- 2005 - 2006MemberMinnesota Board of Medical Practice 
- 2004 - 2013MemberTuberculosis Advisory Committee, Minnesota Department of Health 
- 2004 - 2008Co-FounderMycobacterium Avium Complex Pulmonary Disease Awareness Campaign, American Lung Association of Minnesota, Minnesota Lung Association 
- 2004 - 2008ConsultantMycobacterium Avium Complex Pulmonary Disease Awareness Campaign, American Lung Association of Minnesota, Minnesota Lung Association 
- 2004 - 2008MemberAmerican Lung Association of Minnesota, Minnesota Lung Association 
- 2004 - presentMemberMicrobiology, TB, and Pulmonary Infections Program Committee, American Thoracic Society 
- 2004 - presentMemberEuropean Respiratory Society/WHO 
- 2004 - presentMemberNontuberculous Mycobacterium Information and Research, Inc 
- 2004 - presentMemberBoard of Directors, Nontuberculous Mycobacterium Information and Research, Inc 
- 2004 - presentMemberTask Force on TB Resistance, European Respiratory Society/WHO 
- 2003 - presentMemberInternational Union Against Tuberculosis and Lung Disease 
- 2002 - 2013MemberCDC - Tuberculosis Outbreak Response Workgroup, Minnesota Department of Health 
- 2002 - presentMemberPlummer Society, Mayo Clinic Rochester Societies 
- 2002 - presentMemberMinnesota Department of Health 
- 2002 - presentMemberTB NET 
- 2001 - 2006DirectorMedical Intensive Care Unit, Saint Marys Hospital 
- 2001 - 2006MemberCritical Care Practice Committee, Critical Care Service, Department of Internal Medicine 
- 2001 - 2006MemberHospital and Hospital Outpatient Accredation Committee, Mayo Clinic Rochester Committees 
- 2001 - 2006MemberMB-6G Leadership Team, Mayo Clinic Rochester Committees 
- 2001 - 2006MemberBioterroism/ICU Task Force Committee, Mayo Clinic Task Forces/Work Groups 
- 2001 - presentDirectorMayo-Olmsted County Tuberculosis Working Group, Mayo Clinic Rochester Workgroups 
- 2001 - presentMemberMedical Intensive Care Unit, Saint Marys Hospital 
- 2001 - presentMemberMayo-Olmsted County Tuberculosis Working Group, Mayo Clinic Rochester Workgroups 
- 2000 - 2006MemberSpecial Procedures Review Committee, Mayo Clinic Committees 
- 2000 - 2006MemberHospital Leadership Committee, Mayo Clinic Rochester Committees 
- 2000 - 2006MemberIntensive Care Committee, Mayo Clinic Rochester Committees 
- 2000 - 2006MemberHospital Liaison Committee 
- 2000 - 2006MemberRevenue Systems and Compliance Subcommittee - Rochester, Finance Committee - Rochester, Mayo Clinic Rochester Committees 
- 2000 - presentMemberInfection Control Committee, Mayo Clinic Rochester Committees 
- 1999 - 2002ChairMinnesota Chapter, Tri-State Thoracic Society (Minnesota, Wisconsin, and Michigan) 
- 1998 - 2006Co-ChairCritical Care Research Committee, Mayo Clinic Committees 
- 1998 - 2006MemberCritical Care Research Committee, Mayo Clinic Committees 
- 1998 - 2006MemberThoracic Division Clinical Research Committee, Mayo Clinic Rochester Committees 
- 1998 - 2006MemberRevenue Systems Intermediary Group, Department of Internal Medicine 
- 1998 - 2006MemberFloor Practice Committee, Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine 
- 1998 - presentMemberSociety of Critical Care Medicine 
- 1998 - presentMemberTri-State Thoracic Society (Minnesota, Wisconsin, and Michigan) 
- 1997 - presentFellowAmerican College of Physicians 
- 1995 - 1998MemberAntibiotics and Infection Committee, Meriter Hospital, Madison, WI 
- 1995 - 1998MemberRegional Development Working Group, Physicians Plus Medical Group 
- 1995 - presentFellowAmerican College of Chest Physicians 
- 1992 - 1998MemberCritical Care Committee, Meriter Hospital, Madison, WI 
- 1992 - 1998MemberMedical Practices Committee, Meriter Hospital, Madison, WI 
- 1992 - 1998MemberMeriter Hospital, Madison, WI 
- 1989MemberAmerican College of Chest Physicians 
- 1989 - presentMemberAmerican Thoracic Society 
- 1985AssociateAmerican College of Physicians 
- 1985MemberAmerican College of Physicians 
-  Medical DirectorMB-6G Leadership Team, Mayo Clinic Rochester Committees 
-  MemberRespiratory Care Practitioner Advisory Council, Minnesota Board of Medical Practice