Amsterdam-based I/O is a team of artists interested in developing interdisciplinary projects with a focus on music. Their work brings together technology, such as live electronics and the internet, improvisation, and the interaction among different disciplines. I/O is constantly looking forward to exploring the possibilities of a dialogue with its audience, while collaborating with ensembles and individuals from various art fields.

I/O is:

Thanasis Deligiannis | composer/stage director


Thanasis Deligiannis was born in Greece in 1983 and grew up in a family of traditional musicians. In his late teenage he moved to Thessaloniki to study composition and music theatre. A few years later he moved to Amsterdam to finish his Master studies and to explore the city’s contemporary music scene. Since 2011 he is working as artistic coordinator for the Atlas Academy and the Composers’ Festival Amsterdam of the Conservatorium van Amsterdam. In 2014 he founded together with a team of artists from various backgrounds the Amsterdam-based interdisciplinary platform I/O. He is collaborating with music ensembles and theatre companies in Europe and abroad, as a composer, stage director and stage performer. Since 2016 he is the artistic coordinator of the research music theatre platform Re-Fuse, a collaboration between the Greek National Opera and Gaudeamus Muziekweek. For 2017 and 2018 he is artist in residence at the Gaudeamus Muziekweek, under the state subsidy Nieuwe Makers.

Roelof Pothuis | set and light designer


Roelof Pothuis graduated in 2012 from the Amsterdam University of the Arts, where he specialized himself in light and set design. In 2013 he co-founded together with actors of the Amsterdam Theaterschool the theatre company De Hollanders with which have collaborated artists such as Arnon Grunberg, Arthur Japin en Erik de Jong (alias Spinvis) onder regie van Gerardjan Rijnders. As a freelancer designer he has worked for various theatre companies such as Suburbia, Kat op het spek, theatre agency Hummelinck Stuurman, Opera2day and has created small-scale performances with the writer/maker Thijs Prein: a dialogue between image and acting. Next to theatre, Roelof is active in the new music scene and has made designs for companies such as I/O, Looptail and Nieuwe Ensemble. He is currently a member of the research music theatre platform Re-fuse (Greek National Opera and Gaudeamus Muziekweek).

George Dumitriu | composer/guitarist/violist/live electronics


Active as a performer and composer in the field of jazz/improvised music, the Romanian musician George Dumitriu plays guitar, viola and violin with the enrichment of live laptop electronics. Coming from a classical music background, he studied in Bucharest, Groningen, Amsterdam and New York. He collaborated with artists such as Ambrose Akinmusire, Theo Loevendie, Michel Godard, Ack van Rooyen, Michael Moore, Peter Herbolzheimer, Benny Golson, Dick Oatts, Kaja Draksler. Guest guitar teacher at the Conservatorium of Amsterdam and viola teacher at Prins Claus Conservatorium Groningen, he performs internationally with a variety of projects (Sanem Kalfa, Kaja Draksler Octet, Alex Simu Quintet, Hidden Myth, I/O, Steven Kamperman Trio) and leading his group DUMItRIO.

Kaja Draksler | composer/pianist


Kaja Draksler was born in Slovenia in 1987. After finishing high school she decided to move to the Netherlands to study jazz piano and classical composition. After the studies, she decided to stay in Amsterdam, where she became an active member of the improvisors scene, performing extensively all over the Europe. Besides her frequent solo concerts, she has been working regularly with Čudars-Draksler Duo, Feecho, BadBooshBand, and Draksler-Santos Silva duo. She is also one of the founding members of the interdisciplinary group I/O. She recently formed her Octet. As a composer she has been commissioned by various international groups, ranging from vocal and chamber ensembles to big bands and orchestras.

Kieran Klaassen | composer/sound engineer/internet developer


Kieran Klaassen (NL/USA) is a composer, music producer, programmer, performer. His strengths are his interdisciplinary skills within composition, technology, and programming. He is always experimenting how new developments in web-technologies can enhance his musical vocabulary and inspire others to think differently. His musical style ranges from contemporary classical to electronica to house music. Kieran studied Composition at the conservatory of Amsterdam and finished in 2014 after he joined the Amsterdam-based interdisciplinary company I/O with an interest in the conjunction of the performing arts and technology.