- Since 1995, professor in health law at the Faculty of Medicine of the Catholic University of Leuven (KU Leuven)
- Member of the Royal Academy of Medicine of Belgium
- Member of the steering group Health Community of the Flemish Network of Undertakings (VOKA)
- Founded law firm Callens in 2000
- Professional passion for :
- eHealth, hospital law, pharmaceutical law, regulation of medical devices, disciplinary law and competition law in the health care sector
- Publishes regularly regarding the organization of the health care sector, hospital legislation, pharmaceutical law and eHealth
- Admitted to the Brussels Bar since 1995
- °1966
- Studied at Poitiers (Fr.) and Leuven (KU Leuven) and obtained the Master of Laws at Duke University (USA)
- He received his PhD in Law from the KU Leuven in 1995