Thomas Kessler was born in 1937 in Zurich. After studies in German and Romanic linguistics at the Universities of Zürich
and Paris he studied composition with Heinz Friedrich Hartig, Ernst Pepping and Boris Blacher in Berlin where he founded his own electronic studio in 1965.
In the following years he was director of the Berlin Electronic Beat Studio and musical director of the Centre Universitaire International de Formation et de Recherche Dramatiques in
As a composer of numerous instrumental chamber music, orchestral music and live-electronic music compositions, he is interested in the interactions between musicians and electronics.