Tania Sorrell is the Director of the Sydney Infectious Diseases Institute and Professor of Clinical Infectious Diseases at the University of Sydney, and a Senior Physician in Infectious Diseases at Westmead Hospital. She has longstanding interests in prevention, diagnosis and treatment of Infectious Diseases, especially in immune-compromised hosts, and in the emergence of resistant microorganisms. Her research in the serious fungal infection, cryptococcosis, has provided new insights into host-microbial interactions and resulted in a new antifungal drug development program. She has developed new diagnostics for infectious diseases, led national studies of the epidemiology of invasive fungal infections and is/has been a member of international committees developing guidelines for antifungal therapy. She is a previous President of the Australasian Society for infectious Diseases, has served/serves on state and national advisory committees in Infectious Diseases, pandemic planning for influenza, the Australian Drug Evaluation Committee and both the Research and Human Ethics Committees of the National Health and Medical Research Council of Australia.