A/Prof Doyle is a clinician-researcher and dual-trained infectious diseases and public health physician. He has a particular interest in the epidemiology, management and prevention of blood borne viruses (HIV, hepatitis C and hepatitis B) and public health implementation research.

A/Prof Doyle specialised in infectious diseases at The Alfred where he works clinically as a specialist physician. He completed his MPH at the London School of Hygiene and Tropical Medicine and his public health fellowship was undertaken at the Victorian Infectious Diseases Reference Laboratory and Burnet Institute. His PhD at Monash School of Population Health was focused on the effectiveness of early hepatitis C treatment.

A/Prof Doyle is currently NHMRC Career Developement Felow and a Associate Professor in the Department of Infectious Diseases at The Alfred and Monash University. He is clinical lead for Alfred Health Population Health Partnership, and jointly appointed as Deputy Director of Disease Elimination Program at Burnet Institute.