Benjamin Dieltjens (°1973) began studying the clarinet in 1986 with George Luyten at the Conservatory in Leuven. As from 1992, he pursued his studies at the Conservatory in Brussels: clarinet with Henri de Roeck and chamber music with Arie van Lysebeth, and completing them with Wolfgang Meyer in Karlsruhe (DE).

Dieltjens predominantly plays chamber music, both historical performances and classical and contemporary work. He is head teacher clarinet at the Conservatory in Brussels and co-founder of chamber music ensemble Het Collectief. Since 2007, he plays first clarinet with the Antwerp Symphony Orchestra and is a guest member of the Orchestre des Champs Elysées. In addition to this, he regularly performs with ensembles such as Ictus, Oxalys, Il Gardellino and Ensemble Explorations.

Dieltjens also works as a sound engineer.