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Therapy Workforce Subcommittee (TWS) AAPM Members, Affiliates and Non-Member Affiliates - Login for access to additional information Activities The Therapy Workforce Subcommittee shall measure the work associated with Radiation Oncology Physics clinical services and non-clinical work and provide workforce estimates required to provide Radiation Oncology clinical services and non-clinical support in the United States. Parameters considered may include work measurements, procedures, therapy equipment inventories, and other parameters as necessary. By-Laws: Not Referenced.Rules: Not Referenced. Standing? This is not a standing committee. Approved Date(s): 1/1/2019 Committee Keywords: TWS Board of Directors Professional Council Workforce Assessment Cmte  [Status] Therapy Workforce SC  [Status] Therapy Demand and Supply Projection Working Group  [Status] » Conflict of Interest report for TWS » Status Reports for Task Groups - AC | EC | IC | PC | SC | Board Committees | All

Chair Bruce Thomadsen Subcommittee Chair

2025 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= incomplete or out of date conflict of interest statement.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 11 voting members.

John A. Antolak, PhD 4/18/2025 - 12/31/2027 Member	Elizabeth R. Bacon, MS 4/16/2025 - 12/31/2027 Member
Erli Chen, MS 4/18/2025 - 12/31/2027 Member	Kate E. Lofton, MS 4/16/2025 - 12/31/2027 Member
Savvas V. Morris, M.Sc. DABR, DrPH 2/2/2024 - 12/31/2026 Member	Daniel C. Pavord, MS 4/18/2025 - 12/31/2027 Member
Robert A. Praeder, MS 4/18/2025 - 12/31/2027 Member	Christine M. Swanson, MMS, PhD 2/2/2024 - 12/31/2026 Chair,  Therapy Demand and Supply Projection Working Group (ex officio)
Bruce R. Thomadsen, PhD 1/1/2025 - 12/31/2027 Subcommittee Chair	Christian Velten, MS 4/16/2025 - 12/31/2027 Member
Su-Min Zhou, PhD 1/1/2022 - 12/31/2027 Member

NON-VOTING Appointments

There are 3 non-voting members and guests.

Tianjun Ma, PhD 4/17/2025 - 12/31/2025 Guest (nonvoting)	Michael D. Mills, PhD 1/1/2025 - 12/31/2025 Guest (nonvoting)
Sugata Tripathi, PhD 4/30/2025 - 12/31/2025 Guest (nonvoting)

HQ Team Appointed to Committee

There are 1 staff.

Nicholai Wingreen, BA 11/11/2019 - 12/31/2037 Programs Manager (ex officio, nonvoting)

See connections to Therapy Workforce Subcommittee

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