Christina is an Infectious Diseases physician-scientist and is internationally recognised for her clinical and research expertise in cryptococcal meningitis (CM) and cryptococcosis-associated immune reconstitution inflammatory syndrome (C-IRIS). She completed her medical degree and infectious diseases and general medicine physician training in Melbourne, and has extensive international clinical trial experience, particularly in resource-limited settings. As part of her PhD on C-IRIS immunopathogenesis, she established a cohort of 130 HIV-CM co-infected persons in Durban, South Africa. She held an Australian NHMRC Early career fellowship on HIV prevention and cure (2015-2020). She worked with the INSIGHT clinical trial network on US-NIH funded multi-arm, multi-stage platform studies on investigational new agents for the treatment of COVID-19 (2020-2022). She is an infectious diseases physician at The Alfred Hospital, Melbourne (2009-current) and principal investigator of early phase and first-in-human studies at Nucleus Network, Melbourne (2023-current).