Torsten Wörtwein is a Ph.D. student in the Language Technologies Institute. His research interests include affective computing, integrating statistical methods in deep learning, multimodal behavior analysis, and healthcare analytics with a focus on symptoms of depression and psychotic disorders. He is currently focusing on emotion recognition and its technical challenges including uncertainty estimation and personalization. Previously, he worked on public speaking anxiety and public speaking performance assessment as well as on several computer vision projects. He received his B.Sc. and M.Sc. in Informatics from the Karlsruhe Institute of Technology in Germany and a M.Sc. in Language Technologies from Carnegie Mellon University.