Mattis Geiger is a post-doctoral researcher interested in psychological measurement, specifically regarding social traits, decision making, behavior, and abilities. He received the Dr.rer.nat. in 2021 (Thesis: Out-of-the-Box Measurement Approaches for Complex Interpersonal Traits) and his M.Sc. in 2015 (Thesis: Interpersonal Abilities and the Ability to Control Facial Expressions at Pains) from Ulm University.
His current research focuses on vaccination and antibiotics use related behavior and knowledge, pain-incentivized social dilemmas, replicability of health communication interventions, and the measurement of interpersonal abilities. He joined Cornelia Betsch's Health Communication working group at the Bernhard-Nocht-Institute for Tropical Medicine in Hamburg in 2022.