- 2008 - presentMemberNational Psoriasis Foundation 
- 2005 - presentMemberBritish Society for Pediatric Dermatology 
- 2004 - 2005ChairAllied Health Practitioners Credentialling Subcommittee, Personnel Committee - Rochester, Mayo Clinic Rochester Committees 
- 2004 - 2005MemberAllied Health Practitioners Credentialling Subcommittee, Personnel Committee - Rochester, Mayo Clinic Rochester Committees 
- 2002 - 2005MemberPersonnel Committee - Rochester, Mayo Clinic Rochester Committees 
- 2000 - 2005Chair Clinical DivisionDepartment of Dermatology 
- 2000 - 2005ChairDivision of Clinical Dermatology, Department of Dermatology 
- 2000 - 2002ChairClinical Operations Group, Department of Dermatology 
- 2000 - presentChairStaff Recruitment Committee, Department of Dermatology 
- 2000 - presentMemberDermatology Administrative Advisory Council, Department of Dermatology 
- 2000 - 2009MemberResident Selection Committee, Department of Dermatology 
- 2000 - 2003RepresentativeAdvisory Council of the American Academy of Dermatology, Minnesota Dermatological Society 
- 2000 - presentMemberBritish Association of Dermatologists 
- 1999 - presentMemberMinnesota Dermatological Society 
- 1997 - 2000MemberFederal Medical Center Liaison Committee, Mayo Clinic Rochester Committees 
- 1997 - 1999MemberNetwork and Telecommunications Subcommittee, Mayo Clinic Rochester Committees 
- 1996 - 1998MemberExecutive Committee, Department of Dermatology 
- 1996MemberJoint American Academy of Dermatology and American Academy of Allergy and Immunology Meeting 
- 1994 - 2001ChairInpatient Dermatology Core Group, Department of Dermatology 
- 1994 - 1997MemberSkin Integrity Committee, Mayo Clinic Rochester Committees 
- 1994 - 1997MemberMelanoma/Skin Cancer Committee, American Academy of Dermatology 
- 1994 - 1997MemberCommittee on Postgraduate Courses, American Academy of Dermatology 
- 1994 - 1996MemberQuality Assurance/Quality Improvement Committee, Department of Dermatology 
- 1993 - 1998MemberLatex Allergy Task Force, Latex Task Force, Mayo Clinic Rochester Task Forces 
- 1993 - presentDirectorPhototherapy, Department of Dermatology 
- 1992 - 2000MemberClinical Practice Committee, Department of Dermatology 
- 1992 - 1997ChairPhotobiology Task Force, American Academy of Dermatology 
- 1990 - presentMemberAmerican Academy of Dermatology 
-  MemberClinical Improvement Team, Department of Dermatology 
-  MemberPsoriasis Task Force, American Academy of Dermatology 
-  MemberIrish Association of Dermatologists 
-  MemberAmerican College of Physicians 
-  MemberOrganizing Subcommittee, Joint American Academy of Dermatology and American Academy of Allergy and Immunology Meeting 
-  MemberPsoriasis Expert Resource Group, American Academy of Dermatology