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Sound Designer / Composer / University Lecturer

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Based in Athens, Greece, Alex Retsis has been a dedicated audio specialist since 1993, working in discography, theater, TV, and advertising. His international clients include Supercell, Google, Vodafone, Wind Mobile, Ikea, Microsoft (X-Box), Halls, Amstel, and many others. His work in advertising has earned him domestic awards (ERMIS).


Alex has performed concerts and designed immersive sound installations across Europe, including venues such as the Greek National Opera, the Institute for Contemporary Art in Berlin, SNFCC in Greece, PACE – De Montfort University, Thessaloniki Concert Hall, Berghain & Tresor clubs, ARGEkultur Salzburg, and festivals like Synch, Bios, and Mediaterra. He is the founder of Qebo (an experimental electronic music act) and Videogame Orchestra (a chiptune side project). Additionally, he established two record companies: the techno label "Modular Expansion Records" and the experimental label "Anthropos-Mekhane." His “EMEX” analog techno project was endorsed by KORG, and he became a bespoke composer for Ninja Tune Production Music. His new Qebo album "Celular Spaces" is available now from Polyend Records.


Alex has contributed to sound design and beta-testing for audio software developers like Arturia, Glitchmachines, Unfiltered Audio, Sugar Bytes, Polyend, Audiomodern, Krotos, Twisted Tools, and others. He designed the hip-hop signature library "New City" for Soundmorph and the video-game sound FX library “Parallax” for Glitchmachines. He collaborates frequently with Native Instruments, providing sound design and composition services, including producing the signature chiptune/circuit-bent Komplete expansion "Byte Riot" and the techno expansion "Lunar Echoes."


He has also provided exclusive sound design for Bezier Animation Studio, Soundsnap, and Soundly. As part of the boutique audio team at Helsinki Sound Factory, Alex offers sound design and music composition services for visual media. He is currently a lecturer in Linear Sound Design - Sound Art & Mix / Multimedia Art at Salzburg University of Applied Sciences and has given guest lectures at Berklee College of Music.


Alex is part of the sound design team for the smash hit game "Squad Busters" by Supercell, the biggest mobile game launch in history.


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