Intern and Resident, University Hospitals, Université Libre de Bruxelles : 1972-1975
M.D. (Docteur en Médecine, Chirurgie et Accouchements), Université Libre de Bruxelles : 1975
M.D. (Specialist in Surgery), Université Libre de Bruxelles : 1981
Fellow in the department of surgery at Hôpital Militaire, Köln (Germany) : from may 1981 to may 1982
Fellow in the department of surgery, Memorial Sloan-Kettering Cancer Center, New York 10065, USA : from july 1982 to july 1984
Research assistant in laboratory of immunology,Memorial Sloan-Kettering Cancer Center, NewYork 10065, USA : march to augustus1984
Associate attending Surgeon, department of Surgery, Institut Jules Bordet : 1984-1988
Attending Surgeon of Head and Neck Surgery, department of surgery, Institut Jules Bordet : since 1988
Head of department Head & Neck surgery since 1991
Maître de Stage agréé par le Ministère de la Santé Publique et de l'Environnement : since 1993
Chairman, Department of Surgery, Institut Jules Bordet : since 2006
Associate Professor of Surgery (Head & Neck) of Université Libre de Bruxelles,oncology, since 1992
Professor of Surgery ULB (Université Libre de Bruxelles) since 2006 (Institut Jules Bordet, Centre des Tumeurs de l'Université Libre de Bruxelles)
André Duprez award, Société Royale Belge de Chirurgie : 1984
Grant of the New York Cancer Research Institute : July 1984
Award of Oeuvre Belge du Cancer for Research : 1987
Concerted action program on molecular genetics of human thyroid cancer de l'E.C.C: 1989 to 1991
Certificate of Merit in recognition of the excellent of scientific exhibit presented at the 78th scientific assembly and annual meeting of the radiological society of north America : 1992
Chairman (founding member), Groupe de Contact FNRS de pathologie cervico-faciale
Founding member of the Board of Belgian Thyroid Cancer Study Group
Founding member of Groupe InterUniversitaire Belge d'Etude et d'Enregistrement de Pathologie Oncologique de la Tête et du Cou
Treasurer and member of steering committee Head and Neck Group of EORTC since 1999
Founding member and treasurer of European Head and Neck Society
Secretary of European Society of Surgical Oncology (1994 to 2000)
Reviewer of the European Journal of Surgical Oncology
Member, the Belgian Royal Society of Surgery
Member, American Society of Head and Neck Surgeon
Member, G.E.T.T.E.C. (Groupe d'Etude des Tumeurs Tête et Cou)
Member, Belgian Royal Society of Gastro-Enterology
Member, Belgian Royal Society of Stomatology and maxillo-facial Surgery
Member, European Society for Surgical Oncology (ESSO)
Member and secretary of Belgian Association for Cancer Research since 1999
Member, Assocation Francophone de Chirurgie Endocrinienne