Executive committee
Chair: Nicolaus Andratschke
Co-Chair: Liz Miles
Past-Chair: Joerg Lehmann
Steering Committee:
EORTC: Nicolaus Andratschke
IROC: Stephen Kry
JCOG: Satoshi Ishikura
RTTQA: Liz Miles
TROG: Joerg Lehmann
Steering Committee Groups

- European Organisation on Research and Treatment of Cancer EORTC
- Prof Nicolaus Andratschke (Radiation Oncologist)
- Dr Nick Reynaert (Medical Physicist)
- Dr Coen Hurkmans (Medical Physicist)

- Imaging and Radiation Oncology Core – IROC HoustonIROC Philadelphia IROC Rhode IslandIROC St Louis
- Prof Stephen Kry (Medical Physicist)
- Dr Ying Xiao (Medical Physicist)
- Dr Paige Taylor (Medical Physicist)

- Japan Clinical Oncology Group – JCOG (in Japanese and English)
- Dr Satoshi Ishikura (Radiation Oncologist)
- Dr Mitsuhiro Nakamura (Medical Physicist)
- Dr Satoshi Kito (Medical Physicist)

- NCRI Radiotherapy Trials QA Group – RTTQA
- Prof Peter Hoskin (Radiation Oncologist)
- Dr Catharine Clark (Medical Physicist)
- Mrs Elizabeth Miles (Radiation Therapist)

- Trans-Tasman Radiation Oncology Group – TROG
- Prof Martin Ebert (Medical Physicist)
- Prof Annette Haworth (Medical Physicist)
- Prof Tomas Kron (Medical Physicist)
- Prof Joerg Lehmann (Medical Physicist)
Members

- European Society for Therapeutic Radiation & Oncology – ESTRO
- Prof Nicolaus Andratschke (Radiation Oncologist)
- Dr Eduard Gershkevitsh (Medical Physicist)
- Rita Simones (Radiation Therapist)

- International Atomic Energy Agency – IAEA
- Kamal Akbarov (Radiation Oncologist)
- Pavel Kazantsev (Medical Physicist)

- Australian Clinical Dosimetry Service – ACDS
- Rhonda Brown (Medical Physicist)
- Brendan Healey (Medical Physicist)

- Canadian Clinical Trials Group – CCTG
- Dr. Alan Nichol (Radiation Oncologist)
- Dr. Thomas G. Purdie (Medical Physicist)

- Quality and Excellence in Radiotherapy and Imaging for Children and Adolescents with Cancer across Europe in Clinical Trials – Quartet
- Sarah Kelly (Radiation Therapist)

- National Physical Laboratory – NPL
- Dr Catharine Clark (Medical Physicist)

- Radiation Detection Service – RDS
- Dr Rebecca Howell (Medical Physicist)