In 1988, he founded the Philharmonic Wind Quintet with four colleagues, with whom he has performed worldwide and recorded numerous CDs.
In addition, Michael Hasel is also active as a teacher and conductor: from 1994 to 1998, he was a professor of wind ensemble and chamber music at the Mannheim University of Music. He also teaches at the Orchestra Academy of the Berlin Philharmonic and at international master classes. As a conductor, he has worked with renowned ensembles and orchestras, including the Ensemble Modern, the Birmingham Contemporary Music Group, the Scharoun Ensemble, the Junge Deutsche Philharmonie, the Gustav Mahler Orchestra, and the Orquesta Simón Bolívar in Europe, South America, and Japan.