Tim Polzehl

Dr. Tim Polzehl studied Computer Science at Technische Universität Berlin (TUB), earning his PhD in AI on topics like Speech and Emotion Recognition from voices at the joint Deutsche Telekom Laboratories. Gaining both academic and industrial experience he worked at and lead a high number of national and EU wide R&D projects. Since 2019 Tim works at Germanys largest Research Center for Artificial Intelligence, DFKI, leading the Speech and Multimodal group in Berlins Speech and Language Technology lab. He co-authored a number of scientific publications on Deepfake Detection, Disinformation Fighting, Anonymization, Speech- and Emotion Recognition, Speech Synthesis and Explainability, while actively founding startups Crowdee and Gretchen AI. While the former services advanced Human-AI Solutions for data collection and curation, the latter provides disinformation fighting tools for journalistic research.