Sair Sinan Kestelli was born in 1979 in Izmir. After studying environmental engineering and sciences on undergraduate and graduate levels, he was admitted to Istanbul Technical University Centre for Advanced Studies (MIAM) Music Masters Programme specializing in Sound Engineering and Design.
During studies at MIAM, he started to compose electroacoustic music and live electronics pieces. His work "earthworks" was part of the record "Anthology of Turkish Experimental Music: 1961–2014" released by Sub Rosa Records in 2016. He participated in various international events such as Desonanz Festival, Musica Viva Festival, New Interfaces for Musical Expression Conference with his work and collaborated with different choreographers as sound designer for contemporary dance / performance projects.
He currently pursues PhD studies in Sonic Arts at Istanbul Technical University Advanced Research Studies in Music (MIAM) and works as an instructor at Istanbul Technical University Music Technology Department giving courses such as electroacoustic music composition, sound design, computer music. He designs new digital musical instruments and produce works on different platforms focusing mainly on composition and live performance of electronic music, multi-sensory perception of sound and relationship between sound and space.
In addition to solo works, he continues to work with Tuğrul V. Soylu at the electronic music duo, mondual.