Dr Marcel Knesl | Radiation Oncologist | Icon Cancer Centre

Dr Marcel Knesl

Radiation Oncologist
Become a Patient

Dr Marcel Knesl is a compassionate, detail-oriented radiation oncologist who believes in delivering prompt, personalised treatment plans for patients in his care. He brings a positive and calm approach to his practice and is dedicated to improving the wellbeing of his patients.


Dr Marcel Knesl is a consultant radiation oncologist at Icon Cancer Centre Maroochydore and has a consultant radiation oncologist appointment at the newly opened Sunshine Coast University Hospital. He is currently Icon’s Director of Radiation Oncology.

After completing an undergraduate medical degree (MBChB) at Witwatersrand University in Johannesburg, South Africa, Dr Knesl moved to Auckland, New Zealand where he trained in radiation oncology at Auckland Hospital. During this time Dr Knesl became a fellow of the Royal Australian and New Zealand College of Radiologists.

Dr Knesl began practicing radiation oncology on the Sunshine Coast in 2006. Marcel went on to complete the Graduate Diploma of Australian Institute of Company Directors.

Recent appointments include Icon’s Director of Radiation Oncology, the Icon Medical Advisory Committee, and the academic appointment of Senior Lecturer Griffith University lecturing medical students at the Griffith Medical School, Sunshine Coast.

Dr Knesl’s special interests include breast, gastrointestinal, genitourinary, and lymphoma malignancies, stereotactic radiation therapy and palliative care.

Special Interests

Dr Marcel Knesl accepts referrals for all cancer types, with a special clinical interest in:
  • Breast cancer
  • Gastrointestinal cancer
  • Genitourinary cancer
  • Lymphoma
  • Stereotactic radiation therapy

Icon Locations

Maroochydore View centre

Visiting Locations

  • Sunshine Coast University Hospital