Andrew Baillie, PhD is an Associate Professor in the Department of Psychology at Macquarie University. He is a member of the Centre for Emotional Health at Macquarie University and an investigator in the NHMRC Centre of Research Excellence in Mental Health and Substance use (www.comorbidity.edu.au). He also holds an honorary appointment as a clinical psychologist at Drug Health Services, Royal Prince Alfred Hospital, Sydney. He has published on anxiety disorders and comorbidity with alcohol use disorders from an assessment, treatment and epidemiological perspective.