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Medical Physicist Assistant Integration Recommendations Working Group (MPARWG) AAPM Members, Affiliates and Non-Member Affiliates - Login for access to additional information Activities 1. Review the definition and qualifications for MPAs, as well as the recommended supervision level, incorporating inputs from MPPGs 7a, 10b, and 3b. 2. Coordinate with the Medical Physicist Assistants Subcommittee (MPASC) and Medical Physicist Practice Efficiency Working Group (MPPEWG). 3. Assess the current practices in therapeutic institutions employing MPAs to inform the development of the definitions and recommendations. By-Laws: Not Referenced.Rules: Not Referenced. Standing? This is not a standing committee. Approved Date(s): 3/26/2026 Committee Keywords: No Keywords Entered Board of Directors Professional Council Workforce Assessment Cmte  [Status] Therapy Workforce SC  [Status] Medical Physicist Assistant Integration Recommendations Working Group  [Status] » Conflict of Interest report for MPARWG » Status Reports for Task Groups - AC | EC | IC | PC | SC | Board Committees | All

Chair Tianjun Ma Workgroup Chair

2026 Roster

(dates shown below are start and end dates of position.)

= complete and up-to-date
= up-to-date but expires soon
= incomplete or out of date conflict of interest statement.

VOTING Appointments

There are 9 voting members.

Maria Dimopoulos 3/25/2026 - 12/31/2028 Member	Per H. Halvorsen, MS 3/25/2026 - 12/31/2028 Member
Tianjun Ma, PhD 3/25/2026 - 12/31/2028 Workgroup Chair	Savvas V. Morris, M.Sc. DABR, DrPH 3/25/2026 - 12/31/2028 Member
Daniel C. Pavord, MS 3/25/2026 - 12/31/2028 Member	Robert A. Praeder, MS 3/25/2026 - 12/31/2028 Work Group Vice Chair
Chester R. Ramsey, PhD 3/25/2026 - 12/31/2028 Member	Samantha Skubish 3/25/2026 - 12/31/2028 Member
Bruce R. Thomadsen, PhD 3/25/2026 - 12/31/2028 Member

NON-VOTING Appointments

There are 1 non-voting members and guests.

Marissa Mangrum 3/25/2026 - 12/31/2026 Guest - Liaison from ASRT (nonvoting)

HQ Team Appointed to Committee

There are 0 staff.

See connections to Medical Physicist Assistant Integration Recommendations Working Group (MPARWG)

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