Prof Maree Teesson is an NHMRC Senior Research Fellow at the National Drug and Alcohol Research Centre, University of New South Wales, and Director of the NHMRC Centre of Research Excellence in Mental Health and Substance Use. Prof Teesson has made a major contribution to Australia’s health and medical research effort in the field of mental health and substance use. In particular, she is known nationally and internationally for her research on the comorbidity between mental health and substance use disorders. Her research interests include the epidemiology mental health and substance use disorders, the effects of alcohol on brain development, internet delivered prevention and treatment programs, new treatments for individuals with comorbid mental health and substance use disorders, and improving treatment delivery. Prof Teesson has a strong track record of winning competitive scientific grant funding and has published extensively. She maintains strong links with treatment services and is a founding member (since 1990) of The Mental Health Services Conference (TheMHS) Inc, the largest mental health services conference in Australia.