He is Chairman of the Board of Directors of the European Forum for GCP in Brussels since 2005. He is a lecturer and examiner on the postgraduate course in pharmaceutical medicine, Pharmed, at the Free University of Brussels. He has authored many articles on original clinical research as well as clinical research methodology, including the chapter on clinical trials in Central and Eastern Europe in the "Clinical Research Manual", edited by D. Luscombe and P. Stonier, published by Euromed Communications. He is also listed as an inventor on several patents.
Jean-Pierre started his career at Solvay (1974-1988) as a Medical Toxicologist and became Counsellor in Industrial Medicine and Toxicology for the group in 1978, and Secretary of the Solvay Pharmaceutical Board and International Medical Director in 1984. From 1988 to 1992, he was Executive Vice-President Europe for Corning-Besselaar (now Covance). Prior to founding Crossover, Jean-Pierre established Tassignon & Partners SA, a consultancy specialising in drug development planning and coordination of which he was the President and CEO (1992-2003), and PSI Pharma Support International AG, of which he was Executive Vice-President from 1995 until 2003 and President until 2006.
Head of the Clinical Research Unit (CRU) operated by Crossover at two university hospitals in the north of Brussels: Brugmann University Hospital (Brugmann UH) and the Queen Fabiola Children’s University Hospital (QFCUH).
Thierry graduated as a medical doctor and specialist in pediatrics from the Université Libre de Bruxelles, where he also obtained a master’s degree in hospital management.
He actively researched the biocompatibility of membrane hemodialysis and took part in clinical research in the field of pediatric uro-/nephrology. He has hands-on experience with clinical trials as a past and current investigator.
He is the author of several chapters of medical books and co-author of several articles in leading international peer-reviewed journals.
Prior to joining Crossover, Thierry served as pediatric nephrologist. He was a Consultant Physician at Erasmus Hospital in the Neuropediatric Department. He has been President of the Belgian Pediatric Nephrology Group during 3 years.
Thierry became Physician-in-Chief at QFCUH. He took on the role of Medical Coordinator of Clinical Trials at the same Institution, and is a member of the Joint Clinical R&D Committee of both Brugmann UH-QFCUH.
Thierry is a member of the Core Group of the Belgian Paediatric Clinical Research Network.


