Alexandra Barratt (MBBS, MPH, PhD) is an epidemiologist and Professor of Public Health at the University of Sydney. She has participated in a wide range of health services research over the last 25 years, including projects on screening for breast and prostate cancer. Currently, she is a lead investigator of Wiser Healthcare, a research collaboration to reduce overdiagnosis and overtreatment. She is a member of the Scientific Committee for Preventing Overdiagnosis, an international collaboration working to wind back the harms of Too Much Medicine. In 2006 and 2007 she won back-to-back Australian Museum Eureka prizes and is an Australian Museum Eureka Prize Ambassador.
