Kirsten is a behavioural scientist and a National Health & Medical Research Council (Australia) Professorial Research Fellow. She has an international reputation in the areas of health literacy, shared decision making and overdiagnosis research. She is Director of the Sydney Health Literacy Lab, a team of 16 behavioural scientists, and established the Charles Perkins Centre International Health Literacy Research Network with over 200 members worldwide. She leads Psychosocial Research within Wiser Healthcare, an NHMRC funded research collaboration at the Sydney School of Public Health that seeks to understand the causes and consequences of overdiagnosis/overtreatment and develop solutions to this growing global problem. She is an executive member of the ASK-GP Centre for Research Excellence (rapid evidence for GP decisions) and Academic Lead of Research within the School of Public Health. She has >190 publications and 10 book chapters, and has been awarded >50 research grants.