Vassilis Sideropoulos is a senior research technician in the Department of Psychology and Human Development at University College London (UCL), Faculty of Education and Society (IOE). He studies mental health, specifically anxiety, depression and addiction, in a range of populations such as young people with neurodevelopmental conditions, postgraduate research students and (ex)smokers. He is also interested in metascience and reproducibility. His work to date has been funded by UKRI Medical Research Council, the Baily Thomas Foundation and UCL Seed Funds.