Sergej Tchirkov was born in St.Petersburg and studied the accordion at the Rimsky-Korsakov Conservatoire of St.Petersburg. He was awarded prizes at many international competitions and received the scholarship from the European Centre of Arts Hellerau (Dresden).
His dedication to new music has led him to collaborations with composers such as Pierluigi Billone, Ivan Fedele, Dieter Schnebel, Klaus Lang, Gérard Zinsstag, Hanna Eimermacher, John Palmer, Thomas Kessler, Boris Filanovski, Arturo Corrales, Dmitri Kourliandski, Sergej Newski, Arnt H. Ånesen, Martin Schlumpf, José-Maria Sanchez Verdú.

More than 150 new works for/with accordion have been premiered by Sergej Tchirkov.
He has played both as a soloist and a member of an orchestra, including with the Mariinsky Theatre Orchestra, the St.Petersburg Philharmonic Orchestra, the Musica Aeterna ensemble, Neue Dresdner Kammermusik, the KNM Ensemble Berlin, Collegium Novum Zürich and more, under the direction of Valery Gergiev, Teodor Currentzis, Titus Engel a.o.

Tchirkov has been a guest lecturer at many european universities and academies of music including Zurich University of Arts, Art University of Graz, Gothenburg University, Norwegian Academy of music Oslo, Geneva Conservatory, Kuopio Conservatory of Music, Kazakh National University of Arts Astana, EMS Stockholm and often adjudicates at international competitions.
In 2011 – 2014 he taught at the International New Music Academy organized by the Moscow Contemporary Music Ensemble.
Sergej Tchirkov works as a lecturer, musicologist and performer at the Centre of Contemporary Music at Moscow State Tchaikovsky Conservatory and is assistant artistic director of the Studio for New Music ensemble Moscow.