Disciple of Catherine Collard, Georgy Cziffra and Fausto Zadra, himself a disciple of Vincenzo Scaramuzza,Didier Castell-Jacomin, is a renowned performer who has already performed on the greatest venues. Didier Castell-Jacomin, voluntarily exiled from France, pursues a remarkable international career. His debut at the Berlin Philharmonic with the Berlin Chamber Soloists, which was acclaimed by the public and critics, allowed him to play at the Amsterdam Concertgebouw, the Carnegie Hall in New York and at numerous American festivals as well as in London, Brussels and Spain. In Germany, Didier Castell-Jacomin played with the Baden Baden Philharmonie, in Switzerland at the New Year Festival in Gstaadt and in France, salle Cortot, Théâtre de l'Athénée, Theatre du Colisée etc... Norman Lebrecht, usually fierce, saw in him: "A sparkling pianist" and Paul Badura-Skoda, after they had played together affirmed that he was "a true Mozart".

Didier Castell-Jacomin's extensive discography includes works by Mozart, Beethoven and Schumann. Her latest opus is dedicated to women composers (Chaminade, Bonis, Clara Schumann...). His recordings have been acclaimed by critics (4 Diapason, Piano Maestro...).

Since 2017, Didier Castell-Jacomin and the Wiener Kammer Symphonie Quintet have been collaborating and recording for the NAXOS label.

En 2019, Castell-Jacomin jouera aux USA(Lalo piano Concerto) avec le Mid-Atlantic Symphony Orchestra sous la baguette du Maestro Julien Benichou, Berlin, Avignon (avec le philharmonique, en compagnie de Cordelia Palm , Konzertmeister dans les doubles concerti de Mozart et Haydn sous la direction de la Maestra Debora Waldman, à Lens, Catania pour ne citer que ces villes. Depuis 2021 le pianiste crée la fondation « Klassika International » á Maastricht et lance le premier festival « Wave of Art » ou il invite la pianiste Anna Fedorova avec laquelle il joue a 2 piano. En 2022 il enregistre un CD Schubert pour le label Naxos.