Professor Sivananthan Siva Sarasanandarajah

Professor Sarasanandarajah Sivananthan, B.Sc (Hons, Physics), PGDipSc (Distinction, Medical Physics), MSc (Medical Physics), PGCert (Physics Education), Ph.D (Medical Physics), FACPSEM, is an internationally recognised Medical Physicist, Scholar, and Inventor. He currently serves as a Senior Scientist (Senior Medical Physicist) at the Peter MacCallum Cancer Centre in Australia - one of the world’s leading academic cancer centres solely dedicated to cancer research, education and treatment.    

In addition to his primary role, he holds academic appointments as an A/Professor at RMIT University (Australia) and as a Mentor Professor at Bharathiar University (India).

With over 30 years of clinical and academic experience in Medical Physics, Professor Sivananthan has trained and worked across prestigious institutions in:

• IAEA: International Atomic Energy Agency, United Nations in Vienna, Austria

• Australia: Royal Adelaide Hospital, University of Adelaide, Monash University

• New Zealand: Auckland City Hospital, University of Canterbury

• Japan: National Institute of Radiological Sciences & Chiba Cancer Centre

• Sweden: Lund University, Malmo Hospital

• Canada: Ottawa Hospital Cancer Institute, National Research Council, Carleton University

• Sri Lanka: University of Jaffna,  University of Peradeniya, National Cancer Institute

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He has successfully defended his Ph.D. in Medical Physics at the University of Canterbury in New Zealand as a recipient of the prestigious Canterbury Doctoral Scholarship. His doctoral research resulted in a novel invention, and he is listed as the inventor on two internationally patented technologies, both of which have been commercialised.

Professor Sivananthan is a Fellow of the Australasian College of Physical Scientists and Engineers in Medicine (FACPSEM) and is registered as a Clinician Scientist in Medical Physics in the United Kingdom.

Notably, he recently held the position of International Expert in Medical Physics (with diplomatic status) at the International Atomic Energy Agency (IAEA) under the United Nations in Vienna, Austria. In this role, he led and implemented multiple medical physics and radiotherapy education and clinical projects across Asia, the Pacific, Europe, and the Middle East. His expert missions included countries such as:

• Asia-Pacific: Vietnam, Nepal, Mongolia, Myanmar, Thailand, Malaysia, Indonesia, Bangladesh

• Middle East & Central Asia: Saudi Arabia, UAE, Afghanistan, Tajikistan, Uzbekistan

• Europe: Malta, Romania

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He coordinated medical physics training programs involving 21 countries, contributed to international codes of practice and guidelines, and led coordinated research projects for both developed and developing nations. He also oversaw the IAEA-WHO global radiotherapy dosimetry audit of cancer treatment centres.

An accomplished academic, he has authored or co-authored over 50 peer-reviewed research articles and conference papers, and has delivered invited talks at major international conferences, including the World Congress in Medical Physics and the Asia-Oceania Conference on Medical Physics.

Professor Sivananthan is a recipient of numerous international awards, scholarships, and fellowships, notably including the prestigious Australia Endeavour Executive Award for high achievement, granted by the Australian Government.

He continues to supervise and collaborate with research students and institutions across Sri Lanka and India, and serves as an Editorial Board member for the SCI/SCIE Journal of Physical and Engineeing Sciences in Medicine & Expert Reviewer for several international indexed journals in the field of medical physics.