Jason is a Nuclear Medicine Technologist with over 20 years of experience in the industry. During nearly 15 years at the Peter MacCallum Cancer Centre he completed a PhD investigating the clinical application of advanced PET/CT imaging techniques as well as coordinated the central imaging review for over 20 international multi-centre clinical trials. He brings to the MTIC team, great technical expertise as well as a passion for research with the goal of improving the lives of patients with cancer.

After completing his training at the Austin Hospital in Melbourne, Dr Callahan took up a position at the Mount Elizabeth Hospital in Singapore to help establish one of the first PET/CT services in South East Asia, experience which is an invaluable asset to the establishment of clinical services at the Melbourne Theranostic Innovation Centre. On returning to Melbourne, he took up a position at the Royal Melbourne Hospital where his first interest in research began through the investigating drainage patterns in lymphoscintigraphy.  

In 2008, Jason accepted a position at the Peter MacCallum Cancer Centre as the Technical Supervisor in the Centre for Molecular Imaging and Therapeutic Nuclear Medicine. As well as being one of very few nuclear medicine technologists with a PhD, Jason has been  co-author on over 100 peer reviewed publications with over 2500 citations in the use of molecular imaging in a wide range of oncologic indications.