Background
Dieltiens grew up in a musical family and initially studied piano.
Dieltiens grew up in a musical family and initially studied piano.
He also studied with André Messens in Antwerp, Belgium, with André Navarra in Detmold, Germany and with Pierre Fournier in Geneva, Switzerland.
Dieltiens plays both Baroque and modern cello. He immediately fell in love with the instrument. Dieltiens continued his studies at the Chapelle musicale Reine Élisabeth in Waterloo, Belgium.
He received a diploma from the Akademie für Solisten in Wolfenbüttel, Germany and a Diploma d’Onore from the Accademia Chigiana in Siena, Italy.
Dieltiens played with the violinist André Gertler, the clarinetist Walter Boeykens and the countertenor and conductor René Jacobs. He became the latter’s regular continuo cellist.
Several contemporary composers, including Luc Van Hove and William Bolcom, have asked Dieltiens to give first performances of their works. He has also collaborated with Victor Legley and Jacqueline Fontyn.
Dieltiens has also performed with the Hungarian ethnic music group Muzsikáson
Along with the choreographer Alain Platel of Les Ballets C de la B (formerly called Les Ballets Contemporains de la Belgique), Dieltiens created Iets (iets) op Bach. Dieltiens continued his association with Les Ballets C de la B, playing a "fabulously strange and discordant accompaniment" to Les Ballets C de la B"s Rien de Rien in 2001. Dieltiens teaches at the Musikhochschule Hochschule für Musick und Theater in Zürich, Switzerland.
Dieltiens is frequently invited to serve as a jury member in competitions such as the International Johann Sebastian Bach Competition in Leipzig, Germany, and the Tchaikowski Competition in Moscow.
Dieltiens has performed and recorded as a member of the chamber music ensemble, Explorations.