My current major areas of research are:
· Investigating the molecular evolution of community-associated and live-stock-associated methicillin-resistant Staphylococcus aureus and Enterococcus faecium in Australia
· Molecular epidemiology of Neisseria gonorrhoea in Australia
· Antimicrobial resistance surveillance

I have co-authored 234 peer-reviewed scientific papers, presented invited symposia at many national and international conferences, and have over 400 national and international conference publications. I am a Section Editor and on the Advisory Board for the Journal on Global Antimicrobial Resistance and the International Journal of Antimicrobial Agents. In addition, I am a reviewer for several international journals including the Journal of Antimicrobials and Chemotherapy, PLoS One, Antimicrobial Agents and Chemotherapy, the European Journal of Clinical Microbiology and Infectious Diseases, Journal of Clinical Microbiology and Emerging Infectious Diseases.