Dr Anthony Joshua completed his medical oncology training at the Royal Prince Alfred hospital in Sydney, Australia before moving to Toronto, Canada to complete a PhD under the supervision of Dr Jeremy Squire in prostatic carcinogenesis, and a clinical Fellowship under Dr Ian Tannock. 

He joined the Department of Medical Oncology at Princess Margaret Cancer Centre in Toronto as a staff oncologist in late 2008, specialising in genito-urinary malignancy and melanoma with research interests in circulating tumour DNA, tumour heterogeneity, mechanisms of enzalutamide resistance and autophagy. 

He returned to Australia, joining the Kinghorn Cancer Centre and the Garvan Institute of Medical Research in late 2015. He is currently a conjoint Associate Professor with the University of New South Wales.