McLeod is an Infectious Diseases clinician researcher, RAINE clinical research fellow (2021-24), deputy director at the Wesfarmers Centre for Vaccines and Infectious Diseases (Telethon Kids Institute) and a clinical lead in the Infectious Diseases Implementation Research Team at Telethon Kids Institute. McLeod’s interest lies in patient- centred, policy driven research using innovative clinical trial methodologies and analytic approaches. They are currently co-leading the Platform Trial in COVID-19 priming and BOOsting (PICOBOO), an MRFF-funded adaptive platform trial evaluating different COVID-19 booster strategies in immunocompetent Australians.