- 2023 - presentDirectorBone Marrow Transplant Program, Division of Hematology/Oncology, Department of Internal Medicine 
- 2023 - presentMemberBone Marrow Transplant Clinical Trials Network (BMT CTN) 
- 2021 - presentMemberResearch Personnel Subcommittee 
- 2020 - presentMemberRoyal Society of Medicine 
- 2019 - presentMemberInternational Society of Amyloidosis 
- 2017 - 2024Associate Director for EducationWilliam J von Liebig Transplant Center 
- 2017 - 2024ChairTransplant Center Education Committee 
- 2016 - presentEducation DirectorBone Marrow Transplant Program, Division of Hematology, Department of Internal Medicine 
- 2016 - presentDirectorBone Marrow Transplant Fellowship Training Program 
- 2016 - presentMemberAmerican Association for the History of Medicine 
- 2014 - presentMemberHematology Quality Committee 
- 2014 - presentMemberClinician Investigator Training Program Committee 
- 2014 - presentMemberAmerican Association for Cancer Research 
- 2014 - presentMemberAmerican Society for Blood and Bone Marrow Transplantation 
- 2013 - presentRegional AdvisorRoyal College of Physicians of Edinburgh 
- 2011 - presentMemberInternational Myeloma Society 
- 2010 - 2011Committee ChairElectoral Committee, Mayo Clinic Chapter, Sigma Xi, The Scientific Research Society 
- 2008MemberKendall-Balfour Awards Selection Committee, Mayo Clinic Rochester Committees 
- 2008 - presentExecutive Board MemberMayo Clinic Chapter, Sigma Xi, The Scientific Research Society 
- 2007 - presentDirectorTutorial in Gene Therapy (VGT 8888), Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine and Science 
- 2007 - presentMemberVirology/Gene Therapy Education Committee, Mayo Clinic Rochester Committees 
- 2007 - presentMemberRoyal College of Physicians of Edinburgh 
- 2007 - presentMemberRoyal College of Physicians of London 
- 2007 - presentElected FellowInstitute of Biology 
- 2007 - presentMemberInstitute of Biology 
- 2007 - presentMemberRoyal College of Physicians and Surgeons of Glasgow 
- 2007 - presentMemberRoyal College of Physicians and Surgeons (London) 
- 2007 - presentMemberSociety of Biology, UK 
- 2006 - presentMemberSociety for Mathematical Biology 
- 2005 - presentMemberEuropean Society of Hematology 
- 2004 - 2005MemberHematology Research Committee, Hematology Research, Division of Hematology 
- 2004 - presentMemberPlummer Society, Mayo Clinic Rochester Societies 
- 2004 - presentMayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science, Department of Education Administration 
- 2004 - presentMemberPlummer Society, Mayo Foundation 
- 2003 - presentMemberAcademy of Molecular Imaging 
- 2002 - presentMemberAmerican Society of Gene and Cell Therapy 
- 2001 - presentMemberAmerican Society of Clinical Oncology 
- 2001 - presentMemberMayo Clinic Alumni Association, Mayo Clinic College of Medicine and Science, Department of Education Administration 
- 2001 - presentMayo Medical Alumni Association 
- 2001 - presentMemberMayo Medical Alumni Association 
- 2000 - presentMemberAmerican Society of Hematology 
- 2000 - presentMemberAmerican Association for the Advancement of Science 
- 2000 - presentMemberSigma Xi, The Scientific Research Society 
- 1997 - presentMemberAmerican Society of Internal Medicine 
- 1997 - presentMemberAmerican Medical Association 
- 1997 - presentMemberMinnesota Medical Association 
- 1997 - presentMemberZumbro Valley Medical Society, Minnesota Medical Association 
- 1997 - presentMemberAmerican College of Physicians-American Society of Internal Medicine 
- 1996 - presentMemberRoyal College of Physicians of the United Kingdom 
-  MemberWilliam J von Liebig Transplant Center 
-  MemberDepartment of Molecular Medicine 
-  MemberNorth Central Cancer Treatment Group, Mayo Clinic Cancer Center - Rochester, Mayo Clinic Cancer Center 
-  Ad Hoc ReviewerOncology Research Committee, Division of Hematology, Department of Internal Medicine 
-  Ad Hoc ReviewerHematology Research Committee, Hematology Research, Division of Hematology 
-  MemberMyeloma, Amyloidosis and Dysproteinemia Group, Department of Internal Medicine 
-  MemberBiomathematics Research Group, Mayo Clinic Rochester Workgroups 
-  MemberDepartment of Education Administration 
-  Grant ReviewerMultiple Myeloma Research Foundation 
-  Grant ReviewerAgence Nationale de la Recherche 
-  Grant ReviewerLeukaemia Research Fund (UK) 
-  Grant ReviewerCancer Research UK 
-  FellowRoyal College of Physicians and Surgeons of Glasgow 
-  FellowRoyal College of Physicians and Surgeons (London) 
-  FellowRoyal College of Physicians of Edinburgh