David Kok is a Radiation Oncologist and Director of Peter MacCallum Cancer Centre's Monash Moorabbin Campus. This campus is the second largest radiation therapy service in Victoria, and employs over 150 clinical and professional staff in collaboration with Monash Health. In addition, David is also an Associate Professor in Monash's Dept of Medical Imaging and Radiation Sciences through which he facilitates interdisciplinary education and research collaborations at the Monash Moorabbin campus.

David is also an award winning medical educator. He completed an education degree alongside his medical degree and also completed a medical education fellowship before taking up his current position as the inaugural Course Convenor of the University of Melbourne's Master of Cancer Science Degree. He also currently sits as Chair of CETAC, the Victorian Comprehensive Cancer Centre Alliance's most senior education committee and as Deputy Chief Censor for the Royal Australian New Zealand College of Radiologists.