Mattias Heldner Professor, Head of Department

Mattias Heldner [maˈtʰìːas ˈhɛ́ldnɛr] (born 1969) is Professor of Phonetics, Director of the Phonetics Laboratory, and Head of Department in the Department of Linguistics, Stockholm University. He received his PhD in Phonetics from Umeå University in 2002, did a postdoc at TeliaSonera Sweden in 2005, became Docent in Speech communication at KTH Royal Institute of Technology in 2007, and Professor in Phonetics at Stockholm University in 2011.

His main research interests are communicative behaviour relevant for turn-taking in conversation, and signalling of prosodic functions such as prominence and boundaries. He collaborates with colleagues worldwide, has held several Swedish research grants and published widely. He was one of the three Technical Program Chairs for the international conference Interspeech 2017 in Stockholm.

He has mostly taught courses in phonetics for Speech and Language Pathology students at Karolinska Institutet, University of Gothenburg and Umeå University. He currently supervises one PhD student and has supervised two PhD theses as main supervisor.

As a Director of the Phonetics lab, he has developed recording facilities for breathing movements and voice quality dynamics in conversation, as well as more general facilities for capturing acoustic and physiological signals with a very high level of experimental control.