Swiss pianist and composer living in Fribourg, Switzerland.

He is activ with his longtime working trio, with bassist André Pousaz and drummer Michael Stulz, and is co-leading the chamber-jazz quartet jøøn with bassist Patrice Moret, cellist Beatriz Raymundo and trumpet player Matthieu Michel. 

Stefan Aeby's music blends acoustic chamber music sensibilities with jazz improvisation, subtle electronics and melancholic melodies. Critics describe his work as dreamful and rich in true sonic treasures, avoiding technical bragging in favor of emotional depth paired with clear, unique identities in his compositions. He is known for his sensitive touch, creative sounds, rich harmonies and a dynamic interplay. 

As a composer he writes music for his trio, for jøøn, for ensemble diachronie, theatre pieces and musical lectures, silent movies, exhibitions and wind ensembles.

He plays or played with: Christoph Irniger, Dave Gisler, Raffaele Bossard, Michael Stulz, André Pousaz, Samuel Blaser, Lionel Friedli, Lisette Spinnler, Julian Sartorius, Patrice Moret, Matthieu Michel, Tobias Preisig, Michael Bucher, Samuel Rohrer, Bänz Oester, Sarah Büechi, Marcel Papaux, Popol Lavanchy, Fanny Anderegg, Estelle Beiner, Tobias Friedli, Daniel Schenker, Dominique Girod, Elmar Frey, Marianne Racine, Gustav, Matthieu Bordenave, Chris Cheek, Frank Tortiller, Gabriele Mirabassi, Rory Stuart, Bob Mintzer, Chris Potter, Claudio Puntin, Jan Bang, Clarence Penn, David Pouradier Duteil, Yves Torchinsky, Julien Charlet, Rick Margitza, Stéphane Belmondo, Oscar D'Leon, Tom Harrell... 

With Bands such as Christoph Irniger Pilgrim, Tobias Preisig Quartet and Sarah Büechi's Bands Stefan Aeby has been touring in: Switzerland, Germany, Belgium, the Netherlands, Norway, Sweden, Finnland, Ireland, England, Poland, Austria, Slovenia, Croatia, Bulgaria, Romania, Spain, Portugal, Turkey, Japan, China, South-Korea, Malaysia, Senegal, USA, Haiti, Venezuela, Argentina, Chile, Uruguay…

Stefan Aeby teaches piano and harmony at Zürcher Hochschule der Künste ZHdK (Zurich Arts University).