- 2024 - present
Communication Harmonization and Brand Identity Subcommittee - ChairAmerican Association of Physicists in Medicine
- 2024 - present
Quantitative Imaging Committee - MemberRadiological Society of North America
- 2023 - present
MemberThe Fleischner Society
- 2023 - present
Communication Coordination Committee - MemberAmerican Association of Physicists in Medicine
- 2022 - present
Responsive Communications Subcommittee - ChairAmerican Association of Physicists in Medicine
- 2022 - present
Program DirectorInternational Society for Computed Tomography
- 2022 - present
Awards and Honors CommitteeInternational Organization of Medical Physics (IOMP)
- 2022 - 2023
MemberDiversity, Equity and Inclusion
- 2021 - 2023
Working Group on Diagnostic Imaging Vendor Engagement - MemberAmerican Association of Physicists in Medicine
- 2021
Nominating Committee - ChairAmerican Association of Physicists in Medicine
- 2021
Regional Organization Outreach Subcommittee - MemberAmerican Association of Physicists in Medicine
- 2021
Unit No. 65 - Membership & Organizational Management - MemberAmerican Association of Physicists in Medicine
- 2021 - present
CT Subcommittee - MemberAmerican Association of Physicists in Medicine
- 2021 - present
Imaging Physics Committee MemberAmerican 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
Ad Hoc Committee to Respond to the Impact of the Coronavirus on AAPM Meetings - MemberAmerican Association of Physicists in Medicine
- 2020 - 2021
Unit No. 58 Response Team - ChairAmerican 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
Ethics Committee MemberAmerican Association of Physicists in Medicine
- 2020
Ad Hoc Committee for Medical Physics Journal Editor Selection - ConsultantAmerican Association of Physicists in Medicine
- 2020
Strategic Planning Committee of the Board - ChairAmerican Association of Physicists in Medicine
- 2020
Chair of the BoardAmerican Association of Physicists in Medicine
- 2020 - present
MemberResearch Space and Equipment Executive Subcommittee
- 2020 - present
MemberResearch Space and Equipment Subcommittee
- 2019 - 2020
Ad Hoc Committee to Establish an International Council -- MemberAmerican Association of Physicists in Medicine
- 2019 - present
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
Ad Hoc Committee on Education and Implementation Efforts for Discontinuing the Use of Patient Gonadal and Fetal Shielding - MemberAmerican Association of Physicists in Medicine
- 2019
PresidentAmerican Association of Physicists in Medicine
- 2018 - 2020
Ad Hoc Committee to Help Integration of Effort - MemberAmerican Association of Physicists in Medicine
- 2018
MemberMayo Clinic Graduate School of Biomedical Sciences
- 2018
Ad Hoc Committee on Liaisons and Appointments - MemberAmerican Association of Physicists in Medicine
- 2018 - 2021
Board of Directors, Strategic Planning Committee - MemberAmerican Association of Physicists in Medicine
- 2018 - 2020
MemberResearch Personnel Subcommittee
- 2018 - 2020
Administrative Council - MemberAmerican Association of Physicists in Medicine
- 2018 - 2020
Corporate Advisory Board - MemberAmerican Association of Physicists in Medicine
- 2018 - 2020
Educational Council - MemberAmerican 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
Alliance for Quality Computed Tomography - MemberAmerican Association of Physicists in Medicine
- 2017
CT Subcommittee - ChairAmerican Association of Physicists in Medicine
- 2017 - present
MemberSPIE - The International Organization for Optics and Photonics
- 2016 - 2018
CT Subcommittee, Task Group No. 299 Quality Control in Multi-Energy CT - MemberAmerican Association of Physicists in Medicine
- 2016 - 2019
CT Subcommittee, Task Group No. 293 Size Specific Dose Estimates for Head CT - MemberAmerican Association of Physicists in Medicine
- 2016 - 2020
CT Subcommittee, Task Group No. 291 Educational Report on Multi-Energy CT - ChairAmerican Association of Physicists in Medicine
- 2016 - 2020
Imaging Physics Committee, Task Group No. 246 Task Group on Patient Dose from CT Radiation - MemberAmerican Association of Physicists in Medicine
- 2016 - 2018
ChairMayo Clinic Graduate School of Biomedical Sciences
- 2015 - present
Public Information Advisors Network - MemberRadiological Society of North America
- 2015 - 2016
Alliance for Quality Computed Tomography - Co-ChairAmerican Association of Physicists in Medicine
- 2015 - 2016
Science Council Associated Mentorship Program - MentorAmerican Association of Physicists in Medicine
- 2015 - 2018
Medical Physics Board of Associate Editors - Associate EditorAmerican Association of Physicists in Medicine
- 2015 - present
Founding DirectorX-Ray Imaging Research Core
- 2015 - present
Working Group on IEC Coordination - MemberAmerican Association of Physicists in Medicine
- 2014
Working Group on IEC Coordination - ChairAmerican 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
Technology Assessment Committee - MemberAmerican Association of Physicists in Medicine
- 2012 - 2017
Science Council - MemberAmerican Association of Physicists in Medicine
- 2011 - 2017
Imaging Physics Committee - MemberAmerican Association of Physicists in Medicine
- 2011 - 2014
CT Subcommittee, Task Group No. 220 Patient Size Metrics or CT - ChairAmerican Association of Physicists in Medicine
- 2011 - 2016
CT Subcommittee - Vice ChairAmerican Association of Physicists in Medicine
- 2011 - 2014
ChairCT Physics Section, Department of Radiology
- 2011
Annual Meeting Committee - Course DirectorAmerican Association of Physicists in Medicine
- 2011
Scientific Committee 4-3 - ConsultantNational Council on Radiation Protection and Measurements
- 2011
Science Council - Co-ChairAmerican Association of Physicists in Medicine
- 2011
Annual Meeting Committee - Continuing Education Course Co-DirectorAmerican Association of Physicists in Medicine
- 2011
3rd Vice President of RSNARadiological Society of North America
- 2010 - 2015
CT Subcommittee, Working Group of Standardization of CT Nomenclature and Protocols - ChairAmerican Association of Physicists in Medicine
- 2010 - 2011
CT Subcommittee, Task Group No. 204 Development and Dissemination of Pediatric CT Dose Correction Factors - MemberAmerican Association of Physicists in Medicine
- 2010 - 2020
Technical Electronic Product Radiation Safety Standards Committee of the Medical Devices Advisory Committee - MemberFood 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
RadLex CT Committee - MemberRadiological Society of North America
- 2007 - 2012
Medical Physics Editorial Board - MemberAmerican 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
CT Subcommittee, Task Group No. 111 Future of CT Dosimetry - MemberAmerican Association of Physicists in Medicine
- 2006 - 2009
Cardiac CT Subcommittee - MemberAmerican College of Radiology
- 2005 - 2018
Founding MemberSociety of Cardiovascular Computed Tomography
- 2005 - 2017
CT Subcommittee - MemberAmerican Association of Physicists in Medicine
- 2005 - 2015
MemberCT Operations Group, Department of Radiology
- 2005 - 2007
MemberResearch Committee, Department of Radiology
- 2005 - 2006
CT Subcommittee, Task Group No. 102 CTDI Values for Various CT Scanners - MemberAmerican Association of Physicists in Medicine
- 2005 - 2006
CT Subcommittee, Task Group No. 110 CT Noise Metrics - MemberAmerican Association of Physicists in Medicine
- 2004 - present
DirectorCT Clinical Innovation Center, Department of Radiology
- 2003 - 2009
Scientific Council, Advisory Panel on Imaging Sciences - MemberAmerican 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
Physics Committee - MemberMinnesota Radiological Society
- 2003 - 2005
Annual Meeting Committee - Continuing Education Course Co-DirectorAmerican Association of Physicists in Medicine
- 2002 - 2018
International Electrotechnical Commission DelegateAmerican 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
CT Subcommittee Task Group No. 23 CT Dosimetry - ChairAmerican Association of Physicists in Medicine
- 2001 - 2007
Program Committee, Physics Subcommittee - MemberRadiological Society of North America
- 2001 - 2006
Council on Cardiovascular Radiology and Intervention, Interdisciplinary Working Group - MemberAmerican Heart Association
- 2001
Task Group No. 66 Quality Assurance for CT Simulations ConsultantAmerican Association of Physicists in Medicine
- 2001 - present
Working Group 30 - MemberInternational 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
Medical Physics Education of Physicians Committee - Consultant, Past ChairAmerican 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
Education Council - Vice ChairAmerican 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
Medical Physics Education of Physicians Committee, Radiation Effects and Protection Lecture for Medical Students Task Group - ChairAmerican 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
Medical Physics Education of Physicians Committee - ChairAmerican Association of Physicists in Medicine
- 1996 - 2000
Educational Council - MemberAmerican Association of Physicists in Medicine
- 1996 - 2000
Education Council, Multimedia Educational Materials Publication Task Group - MemberAmerican Association of Physicists in Medicine
- 1996 - 1999
Training of Radiologists Committee - ChairAmerican Association of Physicists in Medicine
- 1995 - 1998
Training of Radiologists Committee, Visual Teaching Aids for Radiology Residents Task Group - MemberAmerican Association of Physicists in Medicine
- 1995 - 1996
Physics Tutorial for Residents Subcommittee - ChairAmerican 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
RSNA Education Coordination Subcommittee - MemberAmerican 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
Training of Radiologists Committee - MemberAmerican Association of Physicists in Medicine
- 1993 - 1997
Physics Tutorial for Residents Subcommittee - MemberAmerican 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
Physics Committee - MemberMinnesota 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
North Central Chapter - MemberAmerican Association of Physicists in Medicine
- 1986 - present
MemberAmerican Association of Physicists in Medicine