- 2026 - 2028
Voting Task Group - Vice ChairAmerican Association of Physicists in Medicine
- 2026
Government and Regulatory Affairs - ConsultantAmerican Association of Physicists in Medicine
- 2025 - present
MemberJapan Radiological Society
- 2025 - present
Communication Coordination Committee - Vice ChairAmerican Association of Physicists in Medicine
- 2025 - present
Administrative Council - Non-Voting GuestAmerican Association of Physicists in Medicine
- 2024 - present
ChairCommunication Harmonization and Brand Identity Subcommittee, American Association of Physicists in Medicine
- 2024 - 2026
MemberQuantitative Imaging Committee, Radiological Society of North America
- 2023 - present
MemberThe Fleischner Society
- 2023 - present
Communication Coordination Committee - MemberAmerican Association of Physicists in Medicine
- 2022 - present
ChairAmerican Association of Physicists in Medicine, Responsive Communications Subcommittee
- 2022 - present
Program DirectorInternational Society for Computed Tomography
- 2022 - 2027
Advisory Council MemberNational Institute of Biomedical Imaging and Bioengineering, National Institutes of Health
- 2022 - 2025
MemberAwards and Honors Committee, International Organization of Medical Physics (IOMP)
- 2022 - 2023
MemberDiversity, Equity and Inclusion
- 2021 - 2023
MemberWorking Group on Diagnostic Imaging Vendor Engagement (WGDIVE), American Association of Physicists in Medicine
- 2021
ChairNominating Committee, American Association of Physicists in Medicine
- 2021
MemberRegional Organization Outreach Subcommittee (ROOSC), American Association of Physicists in Medicine
- 2021
MemberUnit No. 65: Membership (SG2), American Association of Physicists in Medicine
- 2021
MemberUnit No. 65: Organizational Management (SG-5), American Association of Physicists in Medicine
- 2021 - present
MemberCT Subcommittee, American Association of Physicists in Medicine
- 2021 - present
MemberImaging Physics Committee, American Association of Physicists in Medicine
- 2021 - present
Technical Electronic Product Radiation Safety Standards Committee of the Medical Devices Advisory Committee - ChairFood and Drug Administration
- 2020 - 2021
MemberAd Hoc Committee to Respond to the Impact of the Coronavirus (COVID-19) on AAPM Meetings, American Association of Physicists in Medicine
- 2020 - 2024
MemberResearch Space and Equipment Executive Subcommittee
- 2020 - 2024
MemberResearch Space and Equipment Subcommittee
- 2020 - 2021
ChairUnit No. 58 Response Team, American Association of Physicists in Medicine
- 2020 - 2021
Task Group No. 346 - Strategic Planning Committee's Reporting Utility Methodology - MemberAmerican Association of Physicists in Medicine
- 2020
MemberEthics Committee, Professional Council, American Association of Physicists in Medicine
- 2020
ConsultantAd Hoc Committee for Medical Physics Journal Editor Selection, American Association of Physicists in Medicine
- 2020
ChairStrategic Planning Committee of the Board, American Association of Physicists in Medicine
- 2020
Chair of the BoardAmerican Association of Physicists in Medicine
- 2019 - 2020
MemberAd Hoc Committee to Establish an International Council, American Association of Physicists in Medicine
- 2019 - 2024
ChairResearch Equipment Office - Rochester
- 2019 - 2022
Liaison - Society of Chairs of Academic Radiology DepartmentAmerican Association of Physicists in Medicine
- 2019 - 2022
Liaison - American Healthcare Radiology AdministratorsAmerican Association of Physicists in Medicine
- 2019 - 2022
Imaging Communications Network Representative - American College of RadiologyAmerican Association of Physicists in Medicine
- 2019 - 2021
MemberAd Hoc Committee on Education and Implementation Efforts for Discontinuing the Use of Patient Gonadal and Fetal Shielding, American Association of Physicists in Medicine
- 2019 - 2020
Strategic Planning Committee MemberNational Institute of Biomedical Imaging and Bioengineering, National Institutes of Health
- 2019
PresidentAmerican Association of Physicists in Medicine
- 2018 - 2020
MemberAd Hoc Committee to Help Integration of Effort, American Association of Physicists in Medicine
- 2018
MemberMayo Clinic Graduate School of Biomedical Sciences
- 2018
MemberAd Hoc Committee on Liaisons and Appointments, American Association of Physicists in Medicine
- 2018 - 2021
MemberStrategic Planning Committee, Board of Directors, American Association of Physicists in Medicine
- 2018 - 2020
MemberResearch Personnel Subcommittee
- 2018 - 2020
MemberAdministrative Council, American Association of Physicists in Medicine
- 2018 - 2020
MemberCorporate Advisory Board, American Association of Physicists in Medicine
- 2018 - 2020
MemberEducational Council, American Association of Physicists in Medicine
- 2018 - 2020
Board of Directors, Executive Committee MemberAmerican Association of Physicists in Medicine
- 2018 - 2020
Science Council - MemberAmerican Association of Physicists in Medicine
- 2018 - 2020
Professional Council - MemberAmerican Association of Physicists in Medicine
- 2018 - 2020
Board of Directors, Executive Committee - MemberAmerican Association of Physicists in Medicine
- 2018 - 2019
President ElectAmerican Association of Physicists in Medicine
- 2017 - 2018
MemberAlliance for Quality Computed Tomography Working Group, American Association of Physicists in Medicine
- 2017
ChairCT Subcommittee, American Association of Physicists in Medicine
- 2017 - present
MemberSPIE - The International Organization for Optics and Photonics
- 2016 - 2018
MemberTask Group No. 229 Quality Control in Multi-Energy CT (MECT), CT Subcommittee, American Association of Physicists in Medicine
- 2016 - 2019
MemberTask Group No. 293 Size Specific Dose Estimates (SSDE) for Head CT, CT Subcommittee, American Association of Physicists in Medicine
- 2016 - 2020
ChairTask Group No. 291 Educational Report on Multi-Energy CT, CT Subcommittee, American Association of Physicists in Medicine
- 2016 - 2020
MemberTask Group No. 246 Patient Dose from CT Radiation, Imaging Physics Committee, American Association of Physicists in Medicine
- 2016 - 2018
ChairMayo Clinic Graduate School of Biomedical Sciences
- 2015 - present
MemberPublic Information Advisors Network, Radiological Society of North America
- 2015 - 2016
Co - ChairAlliance for Quality Computed Tomography (AQCT), American Association of Physicists in Medicine
- 2015 - 2016
MentorScience Council Associated Mentorship Program (SCAMP), American Association of Physicists in Medicine
- 2015 - 2018
Associate EditorMedical Physics Board of Associate Editors, American Association of Physicists in Medicine
- 2015 - present
Founding DirectorX-Ray Imaging Research Core
- 2015 - present
MemberWorking Group on IEC Coordination, American Association of Physicists in Medicine
- 2014
ChairWorking Group on IEC Coordination, American Association of Physicists in Medicine
- 2013 - 2018
MemberMayo Clinic Graduate School of Biomedical Sciences
- 2013 - 2015
Board MemberCenter for the Assessment of Radiological Sciences
- 2013 - present
IEC 63483: CT Spectral Imaging - MemberInternational Electrotechnical Commission
- 2013 - present
Board MemberInternational Society for Computed Tomography
- 2013 - present
Vice PresidentInternational Society for Computed Tomography
- 2012 - 2017
MemberTechnology Assessment Committee, American Association of Physicists in Medicine
- 2012 - 2017
MemberScience Council, American Association of Physicists in Medicine
- 2011 - 2017
MemberImaging Physics Committee, American Association of Physicists in Medicine
- 2011 - 2014
ChairTask Group No. 220 Patient Size Metrics or CT, CT Subcommittee, American Association of Physicists in Medicine
- 2011 - 2016
Vice ChairCT Subcommittee, American Association of Physicists in Medicine
- 2011 - 2014
ChairCT Physics Section, Department of Radiology
- 2011
Course DirectorAnnual Meeting Committee, American Association of Physicists in Medicine
- 2011
Scientific Committee 4-3 - ConsultantNational Council on Radiation Protection and Measurements
- 2011
Co - ChairScience Council, American Association of Physicists in Medicine
- 2011
Course DirectorAnnual Meeting Continuing Education Committee, American Association of Physicists in Medicine
- 2011
3rd Vice President of RSNARadiological Society of North America
- 2010 - 2015
ChairWorking Group of Standardization of CT Nomenclature and Protocols, CT Subcommittee, American Association of Physicists in Medicine
- 2010 - 2011
MemberTask Group No. 204: Development and Dissemination of Pediatric CT Dose Correction Factors, CT Subcommittee, American Association of Physicists in Medicine
- 2010 - 2020
MemberTechnical Electronic Product Radiation Safety Standards Committee, Medical Devices Advisory Committee, Food and Drug Administration
- 2010 - 2016
Program Committee, Physics Subcommittee - MemberRadiological Society of North America
- 2010 - 2015
Scientific Program Physics Subcommittee MemberRadiological Society of North America
- 2010 - present
MemberResearch Committee, Department of Radiology
- 2010 - present
Consociate MemberNational Council on Radiation Protection and Measurements
- 2009 - present
Full MemberMayo Clinic Center for Clinical and Translational Science
- 2008 - 2009
Associate MemberMayo Clinic Center for Clinical and Translational Science
- 2008 - 2022
Full MemberInstitute of Physics and Engineering in Medicine
- 2008 - present
MemberEuropean Society of Radiology
- 2007 - 2008
Committee on the Assessment of Thromboembolic Disease in Pregnancy - MemberAmerican Thoracic Society
- 2007 - 2012
MemberRadLex CT Committee, Radiological Society of North America
- 2007 - 2012
MemberMedical Physics Editorial Board, American Association of Physicists in Medicine
- 2007 - 2012
Consultant to the Editor of RadiologyRadiological Society of North America
- 2007 - 2008
Annual Meeting Committee - Continuing Education Course Co-DirectorAmerican Association of Physicists in Medicine
- 2006 - 2010
MemberTask Group No. 111: Future of CT Dosimetry, CT Subcommittee, American Association of Physicists in Medicine
- 2006 - 2009
MemberCardiac CT Subcommittee, American College of Radiology
- 2005 - 2018
Founding MemberSociety of Cardiovascular Computed Tomography
- 2005 - 2017
MemberCT Subcommittee, American Association of Physicists in Medicine
- 2005 - 2015
MemberCT Operations Group, Department of Radiology
- 2005 - 2007
MemberResearch Committee, Department of Radiology
- 2005 - 2006
MemberTask Group No. 102: CTDI Values for Various CT Scanners, CT Subcommittee, American Association of Physicists in Medicine
- 2005 - 2006
MemberTask Group No. 110: CT Noise Metrics, CT Subcommittee, American Association of Physicists in Medicine
- 2004 - present
DirectorCT Clinical Innovation Center, Department of Radiology
- 2003 - 2009
MemberAdvisory Panel on Imaging Sciences, Scientific Council, American Heart Association
- 2003 - 2009
Council MemberNational Council on Radiation Protection and Measurements
- 2003 - 2007
Overseas Affiliate MemberInstitute of Physics and Engineering in Medicine
- 2003 - 2006
MemberPhysics Committee, Minnesota Radiological Society
- 2003 - 2005
Annual Meeting Committee - Continuing Education Course Co-DirectorAmerican Association of Physicists in Medicine
- 2002 - 2018
DelegateInternational Electrotechnical Commission (IEC), American Association of Physicists in Medicine
- 2002 - 2006
Program Committee, Physics Subcommittee - Abstract ReviewerRadiological Society of North America
- 2002
Subcommittee on Revisions to CT Equipment Testing Standard - MemberAmerican College of Radiology
- 2001 - 2016
MemberAmerican Heart Association
- 2001 - 2007
ChairTask Group No. 23: CT Dosimetry, CT Subcommittee, American Association of Physicists in Medicine
- 2001 - 2007
Program Committee, Physics Subcommittee - MemberRadiological Society of North America
- 2001 - 2006
MemberInterdisciplinary Working Group, Council on Cardiovascular Radiology and Intervention, American Heart Association
- 2001
Task Group No. 66 Quality Assurance for CT Simulations ConsultantAmerican Association of Physicists in Medicine
- 2001 - present
MemberWorking Group 30 (X-Ray Computed Tomography), International Electrotechnical Commission
- 2001 - present
Diagnostic Imaging Technical Advisory Group for IEC 62B - MemberAmerican National Standards Institute
- 2000 - 2019
MemberConference of Radiation Control Program Directors
- 2000 - 2002
Past ChairMedical Physics Education of Physicians Committee, American Association of Physicists in Medicine
- 1999 - 2001
Board of Directors, Elected Representative for General MembershipAmerican Association of Physicists in Medicine
- 1998 - 2012
Committee on CT Accreditation - MemberAmerican College of Radiology
- 1998 - 2012
Committee on CT Accreditation, Physics Subcommittee - MemberAmerican College of Radiology
- 1998 - 2007
Committee on CT Accreditation, Physics Subcommittee - ChairAmerican College of Radiology
- 1998 - 2000
Vice ChairEducation Council, American Association of Physicists in Medicine
- 1998 - 2000
Medical Physics Education of Physicians Committee, Radiobiology Teaching Slides Task Group - ChairAmerican Association of Physicists in Medicine
- 1998 - 2000
ChairRadiation Effects and Protection Lecture for Medical Students Task Group, Medical Physics Education of Physicians Committee, American Association of Physicists in Medicine
- 1998 - 2000
Committee on Education - MemberAmerican College of Radiology
- 1998
Research and Education Fund Grant ReviewerRadiological Society of North America
- 1997 - 2006
MemberAmerican Association for Women Radiologists
- 1997 - 2001
Radiology Physics Written Exam Committee - Test Question ContributorAmerican Board of Radiology
- 1997 - 2001
Radiology Physics Written Exam Committee - Test Question EvaluatorAmerican Board of Radiology
- 1997 - 2001
Radiology Physics Written Exam CommitteeAmerican Board of Radiology
- 1997
MemberWomen's Advisory Council, Mayo Clinic Rochester Committees
- 1996 - 2000
ChairMedical Physics Education of Physicians Committee, American Association of Physicists in Medicine
- 1996 - 2000
MemberEducational Council, American Association of Physicists in Medicine
- 1996 - 2000
MemberMultimedia Educational Materials Publication Task Group, Education Council, American Association of Physicists in Medicine
- 1996 - 1999
ChairCommittee on the Training of Radiologists, American Association of Physicists in Medicine
- 1995 - 1998
MemberVisual Teaching Aids for Radiology Residents Task Group, Committee on the Training of Radiologists, American Association of Physicists in Medicine
- 1995 - 1996
ChairPhysics Tutorial for Residents Subcommittee, American Association of Physicists in Medicine
- 1995 - 1996
Refresher Course Committee - MemberRadiological Society of North America
- 1994 - 2000
MemberRadiology Engineering Committee, Department of Radiology
- 1994 - 1996
MemberRSNA Education Coordination Subcommittee, American Association of Physicists in Medicine
- 1994 - present
Scientific Session ModeratorRadiological Society of North America
- 1993 - 2015
MemberCT Technical Support Committee, Department of Radiology
- 1993 - 2007
ChairCT Technical Support Committee, Department of Radiology
- 1993 - 1999
MemberCommittee on the Training of Radiologists, American Association of Physicists in Medicine
- 1993 - 1997
MemberPhysics Tutorial for Residents Subcommittee, American Association of Physicists in Medicine
- 1992 - 1996
Technical Exhibits Meeting Notes Committee - ChairRadiological Society of North America
- 1992 - 1995
ChairImage Processing and Analysis Committee, Department of Radiology
- 1992 - 1995
MemberImage Processing and Analysis Committee, Department of Radiology
- 1991 - present
Faculty MemberMayo Clinic Graduate School of Biomedical Sciences
- 1991 - 2003
MemberBody CT Leadership Committee, Department of Radiology
- 1991 - 1999
MemberEducation Committee, Department of Radiology
- 1991 - 1996
Technical Exhibits Meeting Notes Committee - MemberRadiological Society of North America
- 1991 - 1996
MemberDigital Imaging Transmission Committee, Department of Radiology
- 1991 - 1995
MemberPhysics Committee, Minnesota Radiological Society
- 1991 - 1992
MemberComputer Committee, Department of Radiology
- 1991
MemberRadiology Networking Task Force, Department of Radiology
- 1991 - present
MemberAmerican College of Radiology
- 1991 - present
MemberHealth Physics Society
- 1991 - present
MemberMinnesota Radiological Society
- 1991 - present
MemberRadiological Society of North America
- 1991 - present
MemberSigma Xi, The Scientific Research Society
- 1991 - present
MemberNorth Central Chapter, American Association of Physicists in Medicine
- 1986 - present
MemberAmerican Association of Physicists in Medicine