Stefan Thomas was born in 1968 in Offenbach a. M., Germany. In 1976, he started his first piano lessons and composing activities. From 1982 to 1990 he studied at the Dr. Hoch Konservatorium in Frankfurt a.M. With Gerhard Schedl in composition and Theodora Lungu in piano. One of the first public performances of his compositions took place in 1988 at the Alte Oper in Frankfurt where Metamorphosen for piano-quartet was performed by the Merlan-Quartett. 1990-1992 he studied at the Musikhochschule Koln with Krzysztof Meyer in composition, with Ernst Grimm, Pi-hsien Chen and Peter Degenhardt in piano and with Roland Lobuer and Friedrich Jaecker in music theory. In 1991, as pianist and composer, he performed at the Ars Musica festival in Brüssel. Premiere of his Sestetto basso at the Rheinische Musikiest in Koln, recorded by the WDR-broadcast. 1992-1995 he continued composition studies in the masterclass of Tristan Keuris at the Hogeschool voor de Kunsten in Utrecht, Netherland. 1995 he won 1st price at the Junge Komponisten in Leipzig.
From 1996-1999 he taught harmony and counterpoint at the Musikhochschule Koln. In 1997 he received the 1st price at the Joseph Haydn competition in Eisenstadt, Austria. 1999/2000 winner of the Konrad-Adenauer-Stiftung scholarship.
Stefan Thomas composed numerous chamber and orchestral music, printed by different publishers. The Sonata for alto saxophone and piano has been recorded by the Bayrischer Rundfunk and performed by John-Edward Kelly and Bob Versteegh.
Some of Thomas's chamber music pieces can be heard on a CD on the Cybele label.