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Therapy Practice Accreditation Subcommittee (TPAS) AAPM Members, Affiliates and Non-Member Affiliates - Login for access to additional information Activities To coordinate AAPM activities with all therapy accrediting bodies. To work to ensure consistent modality-specific medical physics requirements across all accrediting bodies. To coordinate with the Government and Regulatory Affairs Committee (GRAC) to ensure consistent language in regulation and legislation as it applies to facility accreditation. Review requests for medical physics assistance from other groups relative to their practice or facility therapy accreditation programs. By-Laws: Not Referenced.Rules: Not Referenced. Standing? This is not a standing committee. Approved Date(s): n/a Committee Keywords: Acccreditation, ACR, ACRO, APEx, ASTRO, Practice Accreditation, TPAS Board of Directors Professional Council Clinical Practice  [Status] Therapy Practice Accreditation SC  [Status] » Conflict of Interest report for TPAS » Status Reports for Task Groups - AC | EC | IC | PC | SC | Board Committees | All

Chair Steven Sutlief 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= incomplete or out of date conflict of interest statement.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 6 voting members.

Lei Dong, PhD 8/19/2019 - 12/31/2025 Member	Anas Orfali, MS 2/12/2025 - 12/31/2027 Member
Prema Rassiah, PhD 2/12/2025 - 12/31/2027 Member	Steven G. Sutlief, PhD 1/1/2025 - 12/31/2025 Subcommittee Chair
Iris Z. Wang, PhD 2/12/2025 - 12/31/2027 Member	Jeffrey E. Woollard, PhD 7/29/2019 - 12/31/2025 Member

NON-VOTING Appointments

There are 5 non-voting members and guests.

Todd Bossenberger, MS 4/5/2022 - 12/31/2025 Liaison - APEx Representative (ex officio, nonvoting)	Chunhui Han, PhD 2/12/2025 - 12/31/2025 Guest (nonvoting)
Nadeem Khan, DHA 5/10/2022 - 12/31/2025 Liaison - ACRO Representative (ex officio, nonvoting)	Matthew Pacella, MS 4/5/2022 - 12/31/2025 Liaison - ACR Representative (ex officio, nonvoting)
Zhong Su, PhD, MBA 2/12/2025 - 12/31/2025 Guest (nonvoting)

HQ Team Appointed to Committee

There are 1 staff.

Nicholai Wingreen, BA 1/1/2019 - 12/31/2037 Programs Manager (nonvoting)

See connections to Therapy Practice Accreditation Subcommittee

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