Cathy is a research analyst with the National Drug Treatment Reporting System (NDTRS), the national surveillance database on treated problem drug and alcohol use in Ireland. Established in 1990, the NDTRS is maintained by the Health Research Board (HRB) on behalf of the Department of Health in Ireland. Prior to joining the HRB, Cathy worked in higher education, and conducted social and educational research in various capacities. Cathy is commencing doctoral research in Public Health and Primary Care under the supervision of Professor Jo-Hanna Ivers at the School of Medicine in Trinity College Dublin. The research will involve the secondary analysis of NDTRS data to examine patterns and trends in substance use based on self-defined sexuality and gender.