Full Professor of German Linguistics, Semiotics and Multimodal Communication at the Chemnitz University of Technology, Germany.
Co-founder of the Berlin Gesture Center and founder of the „Arbeitsstelle Gestenforschung und Sprechwissenschaft“ in Chemnitz.
Member of the executive board of the “Deutsche Gesellschaft für Semiotik” (DGS) and co-editor of the “Zeitschrift für Semiotik / Journal of Semiotics”.
Co-editor of the two-volume handbook “Body – Language – Communication”, published by Mouton de Gruyter as part of the HSK (Handbooks on Language and Communication Sciences) series.
Research foci: Multimodal grammar; pragmatics; gesture and multimodal interaction; embodiment; language and cognition; language theory; semiotics and media theory; image-text relations; deixis and spatial cognition; gestures and human-machine interfaces.