Mathias Grønsdal is a sound designer from Bergen, Norway. He has more than 15 years of experience in film, theater, and music production.

Mathias has worked with Alan Lucien Øyen and winter guests since 2018, notably providing the sound design for the 2024 production Still Life. He has collaborated with Øyen outside of winter guests, including work for Gothenburg Opera’s dance company (Oblivion , 2022) and the Norwegian National Ballet (Nothing Personal, 2023). He also partners with various other theatre companies and music artists, including Transiteateret Bergen, Terje Isungset, and Elle Marja Eira.

Mathias is driven by a passion for using sophisticated technology to convey emotion through sound, video, and music, and has developed innovative techniques to create unique soundscapes.

His work has been recognized with the Hedda award for best audio-visual design in 2020 and for best performance in 2025.

Mathias Grønsdal has worked on the following winter guests productions: Antigone (2025), Still Life(2024), The American Moth (2021)

Alan Lucien Øyen
Artistic Director
+47 922 858 49
alan@winterguests.com

Ornella Salloum
Producer, Network and Touring
‭+44 742 6921 254‬
ornella@winterguests.com

Martin Flack
Managing Director
+47 934 594 70
martin@winterguests.com

Tora De Zwart Rørholt
Producer with syvmil.no
‭+47 416 343 64‬
tora@winterguests.com