Sonia Lippke is an expert in psychology, health promotion and population health with special passion for theories and models of health behavior change.

In several studies, she tested social-cognitive theories and theory-based interventions in different age groups. This was done in diverse samples and settings such as the internet, worksites, rehabilitation centers, clinics, schools, universities and exercise classes. Dr. Lippke conducted research applying different techniques (including Information Technologies, IT, and Randomized Controlled Trials, RCT) and investigating different characteristics of individuals (age, motivation, ethnicity background, gender, clinical diagnoses etc.). She conceptualizes age not only in terms of chronological age but also as subjective, individually variable processes. She collaborates in international and interdisciplinary studies testing different mediators and moderators in the self-regulation of health behavior, e.g., subjective age and future time perspective.