Photo Frederik Beyens

March 2014

Lighting and AudioVisuals for "Twee", theatrepiece by Janne De Bruyn.

May 2015

Rehearsal setup for Opera HRZSCHMRZ. Theaterstudio @ De Singel

June 2015

Opera de Trash HRZSCHMRZ - live by ChampDaction.

Februari 2016

With Jaan Bossier recording audio and greenkey video for "Al la Recherche de Temps" by Serge Verstockt.

April 2016

Remix all-quad viola concerto, ChampDaction, feb 2015

June 2016

With Hans Beckers and Serge Verstockt @ Champ studio recording Sonitum Horarium.

August 2016

AudioVisual engineering and recording Polyptychon, Darmstadt. With Nico Couck and Sergej Maingart.










Istvan Leel-Össy is a multi-media producer and engineer living in the bustling city of Antwerp.
Since the early 80’s he’s been active in creating, recording and producing music, video and sounddesign for clients like audio/visual-production houses, advertising agencies and artists.
Currently he is mainly active in music theatre by means of multimedia support, lighting and set design.


On a daily basis he’s working as technical coordinator for ChampdAction, a noted production house for contemporary and experimental music.

Thanks to his vast experience of nearly 40 years, which ranges from photography, videography, music to sound production he feels very much at home at ChampdAction.

Also active in the field of theater, where he provides freelance technical and creative services such as scenography, lighting and audio/video design and realization.

Various productions have already found their way into both educational and mainstream theatre.

Please have a look around and let us know if you like what you see and hear.

Learn more about Istvan and his adventures in the creative world? Check him out on Facebook ...