Charles Hirsch is Professor Emeritus at the Universities of Brussels, VUB (Vrije Universiteit Brussel) and ULB (Université Libre de Bruxelles).

Founder of NUMECA Int. startup in 1993, which grew to 150 employees in the field of fluid simulation software (CFD-Computational Fluid Dynamics); acquired by Cadence Design Systems (CDNS) in 2021.

Entrepreneur and investor in various technology startups, as well as Quantonation, Geodesic, Audacia

Charles Hirsch is a member of the Royal Flemish Academy of Belgium for Sciences and Arts, Class of Sciences (KVAB-KNW).