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Therapy Physics Committee (TPC)

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The Therapy Physics Committee (TPC) is a committee of the Science Council and has direct authority and responsibility over all AAPM scientific activities pertaining to radiation therapy physics. The Therapy Physics Committee will achieve the following broad goals primarily through its Subcommittees, Working Groups and Task Groups.

  1. Improve the accuracy and consistency of radiation therapy and other medical interventions through development and publication of scientific, technical and educational documents.
  2. Improve therapeutic medical interventions through research in medical physics and promote scientific research in therapy applications of medical physics within AAPM.
  3. Provide guidance to outside agencies and organizations relative to the scientific and clinical interests of AAPM membership.
  4. Remain aware of developments from and collaborate with outside organizations.

By-Laws:Not Referenced.Rules: 3.10.1
Approved Date(s):n/a
Committee Keywords: TPC
Chair

Sonja Dieterich
Committee Chair

2023 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= incomplete or out of date conflict of interest statement.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 AppointmentsThere are 24 voting members.

up-to-dateCharles D. Bloch, PhD

1/29/2021 - 12/31/2023 Member

up-to-datePeter F. Caracappa, PhD

5/20/2022 - 12/31/2024 Chair,  Radiological Protection Subcommittee (ex officio)

up-to-dateRichard Castillo, PhD

1/1/2023 - 12/31/2025 Chair,  Radiation Dosimetry & Treatment Planning Subcommittee (ex officio)

up-to-dateMaria F. Chan, PhD

1/1/2021 - 12/31/2023 Member

up-to-dateQuan Chen, PhD

1/1/2020 - 12/31/2025 Member

up-to-dateShiva K. Das, PhD

1/1/2023 - 12/31/2025 Chair,  Biological Effects Subcommittee (ex officio)

up-to-dateYuni K. Dewaraja

5/17/2022 - 12/31/2023 Chair,  Task Group No. 381 - AAPM Recommendations on imaging, dosimetry and quality assu (ex officio)

up-to-dateSonja Dieterich, PhD

1/1/2021 - 12/31/2023 Committee Chair

up-to-dateSean A. Dresser, MS

1/1/2020 - 12/31/2025 Member

up-to-dateRobert F. Hobbs, PhD

2/25/2021 - 12/31/2024 Chair,  Radiopharmaceutical Therapy Subcommittee (ex officio)

up-to-dateGeoffrey D. Hugo, PhD

12/20/2022 - 12/31/2023 Chair,  Unit No. 79 - TPC for adaptive radiotherapy TGs (UN79) (ex officio)
1/1/2018 - 12/31/2023 Chair,  Therapy Imaging Subcommittee (ex officio)

up-to-datePerry B. Johnson, PhD

1/1/2021 - 12/31/2023 Member

up-to-dateGrace Gwe-Ya Kim, PhD

1/1/2019 - 12/31/2024 Member
11/3/2022 - 12/31/2025 Chair,  Patient Safety Subcommittee (PSSC) (ex officio)

up-to-dateSiyong Kim, PhD

1/1/2019 - 12/31/2024 Chair,  Treatment Delivery Subcommittee (ex officio)

up-to-dateStephen F. Kry, PhD

1/1/2021 - 12/31/2023 Liaison - The Imaging and Radiation Oncology Core (IROC) Group (ex officio)

up-to-dateKatja M. Langen, PhD

1/1/2018 - 12/31/2023 Member

up-to-dateHeng Li

1/1/2023 - 12/31/2025 Member

up-to-dateDimitris N. Mihailidis, PhD

1/1/2021 - 12/31/2023 Committee Vice Chair

up-to-dateKevin L. Moore

1/1/2021 - 12/31/2023 Chair,  Quality Assurance and Outcome Improvement Subcommittee (ex officio)

up-to-dateFiras Mourtada, PhD

1/1/2019 - 12/31/2024 Member

up-to-dateZoubir Ouhib, MS

1/1/2018 - 12/31/2023 Chair,  Brachytherapy Subcommittee (ex officio)

up-to-dateMarija Popovic, PhD

1/1/2021 - 12/31/2023 Member

up-to-dateX. Sharon Qi, PhD

1/1/2023 - 12/31/2025 Member

up-to-dateJeffrey V. Siebers, PhD

1/1/2022 - 12/31/2024 Chair,  Calibration Laboratory Accreditation Subcommittee (ex officio)
NON-VOTING AppointmentsThere are 12 non-voting members and guests.

up-to-dateMaryann O. Ayoade, MS

1/1/2015 - 12/31/2023 Liaison - NRC Representative (nonvoting)

up-to-dateMagdalena Bazalova-Carter, PhD

9/14/2021 - 12/31/2024 Liaison to - Imaging Physics Committee (ex officio, nonvoting)

up-to-dateMauro Carrara

12/19/2022 - 12/31/2025 Liaison - IAEA (ex officio, nonvoting)

up-to-dateCynthia Fu-Yu Chuang, PhD

4/15/2022 - 12/31/2023 Guest (nonvoting)

up-to-dateJessica Clements, MS

10/30/2020 - 12/31/2023 Guest Radiological Protection Subcommittee - Chair (ex officio, nonvoting)

up-to-dateAlan B. Cohen, MS

1/1/2017 - 12/31/2023 Liaison - IEC (ex officio, nonvoting)

up-to-dateCasey Lee, PhD

7/19/2022 - 12/31/2023 Guest (nonvoting)

up-to-dateMichael G. Mitch, PhD

3/2/2010 - 12/31/2023 Liaison - National Institute of Standards & Technology (ex officio, nonvoting)

up-to-dateCeferino Obcemea, PhD

1/1/2021 - 12/31/2023 Liaison - NCI (ex officio, nonvoting)

up-to-dateVikren Sarkar, PhD

1/1/2021 - 12/31/2023 Guest (nonvoting)

up-to-dateLeah K. Schubert, PhD

1/1/2023 - 12/31/2023 Guest (nonvoting)

up-to-dateYing Xiao, PhD

7/3/2014 - 12/31/2023 Liaison - NRG (ex officio, nonvoting)
HQ Team Appointed to CommitteeThere are 1 staff.

up-to-dateJill Moton, MBA

5/24/2019 - 12/31/2037 Programs Manager (ex officio, nonvoting)


Individual Appointments
the individuals listed below report to, but are not necessarily members of, this committee as individual appointments
Pawlicki, Todd  - [conflict of interest information]       [Individual appointment reports summary]
     6/19/2015-12/31/2023 Radiation Oncology Safety Committee, European Society for Therapeutic Radiology and Oncology
Kim, Grace Gwe-Ya  - [conflict of interest information]       [Individual appointment reports summary]
     11/16/2020-12/31/2023 Representative- Therapy, Imaging and Radiation Oncology Core
Ibbott, Geoffrey S.  - [conflict of interest information]       [Individual appointment reports summary]
     1/1/2005-12/31/2023 Delegate to IEC 62 C (USNC), International Electrotechnical Commission
Rivard, Mark J.  - [conflict of interest information]       [Individual appointment reports summary]
     1/1/2008-12/31/2023 Brachytherapy Physics Representative, European Society for Therapeutic Radiology and Oncology

See connections to Therapy Physics Committee