Samuel Tomczyk works as junior professor for Digital Health and Prevention at the Institute of Psychology, University of Greifswald, since 2020. In his research, he examines the requirements and impact of digital technologies in prevention and health care, with a focus on (digital) mental health, substance use and child and adolescent health. He utilizes mixed methods and participatory research approaches to investigate co-production in developing, implementing, and evaluating digital health and prevention technologies, including digital communities.