Sair Sinan Kestelli was born in 1979 in Izmir. He combined his environmental engineering undergaduate 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’ via Transferans Records 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.

Sair Sinan Kestelli works as an Assistant Professor at Istanbul Technical University Turkish Music State Conservatory Music Technology Department and in addition to his solo works, he is part of the electronic music duo, mondual, with Tuğrul V. Soylu.