Paul van de Ven is a senior consultant in the field of signalling, safety management and assessment, with broad international experience in systems and products from all over Europe. He has extensive experience in the development and realization of (electronic) interlocking systems as well as in providing the evidence of their safety (safety case). Paul has since its foundation been involved in the notified body Railcert, where he fulfilled the roles of (Lead) Assessor, Managing Director and (currently) Certification Manager. He has in this capacity acquired extensive experience in assessing evidences of safety (safety cases) and in European and national certification programs (e.g. ERTMS, HSL-Zuid, Betuweroute, Hanzelijn). Paul has been chairman of the European coordination group of Notified Bodies (NB Rail) in Brussels.