Born in 1979, Sair Sinan Kestelli combined his environmental engineering undergraduate education with sound engineering and design and sonic arts graduate studies. He performed at various international music events and collaborated with different choreographers for contemporary dance/performance projects as sound designer and performer. His work, ‘earthworks’, was part of the record ‘Anthology of Turkish Experimental Music: 1961–2014’ released by Sub Rosa Records in 2016. He released his debut album ‘Poles Re-Mediated’ in 2019, which was commissioned by Haus der Kulturen der Welt (HKW) in 2017 as part of ‘After the Wildly Improbable’ event series about Berlin-Baghdad and Hijaz Railways and a compilation album, "Kontraste", in 2021 with a selection of his electroacoustic music compositions.

Sair Sinan Kestelli works as an Assistant Professor at Istanbul Technical University Turkish Music State Conservatory Music Technology Department. His main research topics are fixed media electroacoustic music composition, live electronic music performance and musical interaction design. In addition to his solo works, he is part of the electronic music duo, Mondual.