The Radiation Oncology team

Radiation Oncologists


Rohen White

Dr Rohen White
MBBS, FRANZCR (Radiation Oncology), MHA

Head of Department, Radiation Oncology, Sir Charles Gairdner Hospital

Rohen White is a Radiation Oncologist with multiple oncological subspecialty interests:

  • Gastrointestinal
  • Head and Neck
  • Lymphoma
  • Prostate
  • Complex skin
  • Cyberknife / Stereotactic body radiotherapy

Rohen is a Perth local who received his medical degree from the University of Western Australia in 2000. Following several years in surgical training he transitioned to Radiation Oncology in 2008 completing the five-year program at the prestigious Peter MacCallum Cancer Centre in Melbourne. He was subsequently awarded the Windeyer Fellowship to the Mt Vernon Cancer Centre, London in 2013 before returning to Perth.

Dr White is a member of multiple national and international tumour groups across multiple tumour sites. He is involved with and recruits to multiple clinical trials, collaborates with local universities to assist in oncology projects and further conducts in-house research.  He has numerous peer reviewed publications. He is further involved with lecture provision and education of medical students, junior doctors and specialists-in-training.



Sean Bydder

Dr Sean Bydder

Radiation Oncology Consultant

Dr Sean Bydder has been a Radiation Oncology consultant at Sir Charles Gairdner Hospital (SCGH) since 2005. He has a Masters of Public Health from the University of Western Australia, by research, and a Masters of Business Administration from Imperial College, University of London. Sean has over 50 published peer reviewed papers and textbook chapters with a particular focus on multidisciplinary care and innovative radiation treatments. Sean has been treating patients using the CyberKnife Radiosurgery System since it opened at SCGH in 2014 (after training sessions in the US). He has particular clinical interests in lung, prostate and brain cancers.



Jeremy Croker

Dr Jeremy Croker
MBBS, FRANZCR, BSc (Env); Grad Dip Sc (NRM)

Radiation Oncology Consultant

Dr Jeremy Croker has been a consultant Radiation Oncologist since 2017, working at the Sir Charles Gairdner Hospital since 2018 and previously at Fiona Stanley Hospital and Genesis Care.

His sub-speciality interests include urological oncology including prostate cancer, brain tumours, lung cancer, skin cancer treatment and stereotactic radiotherapy.  He is the Director of Training for Radiation Oncology at Sir Charles Gairdner Hospital as well as the lead author on multiple radiation oncology peer review papers and has presented at international conferences regarding stereotactic radiotherapy.

Dr Croker has a strong belief in a holistic approach to patient care and their treatment.

Joshua Dass

Associate Professor Joshua Dass

Radiation Oncology Consultant

Director of Radiation Oncology, Western Australia Country Health

Adjunct Clinical Associate Professor School of Clinical Medicine, Curtin University

Graduated from Ireland and UK, and completed specialist training in Radiation Oncology at Peter MacCallum Cancer Centre, Victoria.  Past examiner for fellowship exams and current senior clinical lecturer and examiner in medical school. Member of the Particle Therapy Working Group for Royal Australian and New Zealand College of Radiologist.

Involved in national and local research trials and has been guest speaker in melanoma, sarcoma and prostate cancer symposiums and currently involved in quality improvement trials, investigator for Children’s Oncology Group, USA and TROG trials.

Subspecialised in the use of IMRT, VMAT, IGRT, IORT (Intraoperative brachytherapy for Breast), Brachytherapy, TBI, CSI, SABR including CyberKnife as applied to skin cancers, head and neck cancers, breast cancers, paediatrics, lymphomas, prostate and CNS.

Mission Statement: provision of holistic cancer care by clinical service, research, education and leadership.



Suki Gill

Dr Suki Gill

Radiation Oncology Consultant

Suki Gill joined Sir Charles Gairdner's Department of Radiation Oncology in 2014, having worked as a consultant at the Peter MacCallum Cancer centre for 4 years. He is a specialist in treating cancers of the prostate, lung, brain and breast.

Suki trained as a doctor at Guys and St Thomas's medical school in London and graduated with distinction. He was inaugurated as a member of the Royal College of Physicians and as a fellow of the Royal College of Radiologist in the UK and Australia. He is an examiner for the Australian FRANZCR Specialist Exams and is part of the Royal Australian and New Zealand College of Radiologists Quality Improvement Committee. He is the Director of Research for radiation oncology at Sir Charles Gairdner and has extensive publications in prostate cancer research on reducing toxicity and maximising cure from cancer.

Suki is a member of the Trans-Tasman Radiation Oncology Group (TROG), the Australia New Zealand Breast Cancer Trials Group (ANZBCTG), the European Society for Radiotherapy and Oncology (ESTRO), the American Society for Radiation Oncology (ASTRO), the Cooperative Trials Group for Neuro-Oncology (COGNO) and the Royal College of Radiologists, UK (RCR).

Suki actively takes part in teaching medical students from Curtin and UWA, and is involved in the supervision of UWA Physics MSc and PhD students. He does regular teaching of residents and registrars in medical oncology and radiation oncology.



Colin Tang

A/Prof Colin Tang

Radiation Oncology Consultant

Colin Tang is a Radiation Oncologist with multiple subspecialty interests:

  • CyberKnife/Stereotactic body radiotherapy
  • Genitourinary
  • Gastrointestinal/Liver
  • Head and Neck

Colin grew up in Perth and received his medical degree in 1996 from the University of Western Australia. He obtained his Radiation Oncology specialist qualification in 2005 after training at Royal Perth Hospital in Western Australia and Royal Brisbane and Women’s Hospital in Queensland. Colin underwent further specialist fellowship at the Odette Cancer Centre/University of Toronto, Canada, specifically focusing on prostate cancer and stereotactic radiotherapy. He was a consultant at Calvary Mater Newcastle in New South Wales from 2008 prior to taking up a consultant position at Sir Charles Gairdner Hospital from 2013. Colin was involved with the first CyberKnife in Australia since inception in 2014. An active member of several multidisciplinary teams, he has been an investigator on several randomised trials and Quality Assurance Committees for Trans-Tasman Radiation Oncology Group (TROG).  Colin has numerous peer-reviewed publications.



Mandy Taylor

Dr Mandy Taylor

Radiation Oncology Consultant

Dr Mandy Taylor is an experienced local radiation oncologist who provides radiation oncology services at Sir Charles Gairdner Hospital. She has extensive research credentials and has authored multiple journal articles on radiation oncology, particularly on the topic of breast cancer. She is an examiner for the Faculty of Radiation Oncology, Royal Australia College of Radiology.

Dr Taylor accepts referrals for all cancer types, with a special interest in breast cancer, brain cancer and sarcomas. She is committed to providing patient-focussed care and is at the forefront of innovative radiation therapy practice.

Dr Mandy Taylor accepts referrals for all cancer types, with a special clinical interest in:

  • Breast
  • Sarcoma
  • Paediatrics
  • Neuro-Oncology
  • Stereotactic



Radiation Therapists

Role of Radiation Therapists as part of the Radiation Oncology team

  • Assesses patient position and constructs suitable stabilisation devices
  • Performs planning CT scans
  • Creates the radiation treatment plan
  • Administers the radiation treatment
  • Assists your Radiation Oncologist in your overall care
  • Committed to education and training of tertiary students and health professionals


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Nursing Staff

Role of Nursing staff as part of the Radiation Oncology team

  • Education and support of patients/carers/nurses and allied health professionals on the side effects of radiotherapy
  • Symptom assessment and management as well as emotional support
  • Referrals to community nursing / allied health professionals / liaison and support groups
  • Nursing research to support evidence based practice
  • Wound management
  • Liaises with the medical team to provide excellent nursing care to patients


Nursing staff

Medical Physicist

Role of Medical Physicist as part of the Radiation Oncology team

  • Works to make the patient’s treatment as safe and effective as possible
  • Tests radiation equipment to make sure it is operating safely and effectively
  • Helps implement new treatment techniques and equipment
  • Advises other radiation oncology staff when making difficult decisions in the radiotherapy process
  • Ensures radiation safety for all staff and visitors


Medical PhysicistsMedical PhysicistsMedical Physicists


Role of Engineers as part of the Radiation Oncology team

Our fundamental aim is to ensure patient and radiation therapist safety. To be able to achieve this:

  • We support the radiation therapists and radiation oncologist to make the patient’s journey through their treatment as smooth and seamless as possible.
  • We efficiently and effectively actioning any treatment machine or Planning CT scanner break down to avoid or limit any patient treatment or localization delays.
  • We perform regular maintenance of all the radiation treatment units and all the associated technical equipment and computers, responsible for patient treatment, localization and treatment planning to ensure they are in their best working condition.



Last Updated: 01/10/2021