Over the last 20+ years I have worked in various sectors ranging from government to financial and from high-tech through energy to aviation. Below you will find a list of the most noteworthy projects and companies I have been involved with in no particular order.Information Security architect/Advisor at Cathay Pacific Airways LTD. (Aviation), Hong Kong SARPKI auditor at Centraal Bureau voor de Statestiek CBS (government)Advisor implementation digital certificates at Agentschap NL (government)PKI advisor implementation at Tennet (electricity distribution)PKI engineer at AkzoNobel (industrial chemicals)IPv6 analyst and masterclass trainer at Capgemini Outsourcing (outsourcing IT services)Information Security auditor/architect at a high-tech company (high-tech)Information Security Officer at Sociale Verzekeringsbank (government)Information Security Consultant at Nationale-Nederlanden (financial services/insurance)Information Security coordinator and PKI stream lead at ING Insurance Central Europe (financial services/insurance)Security tester/advisor at ING Insurance Central Europe (financial services/insurance), PraguePenetration tester at various companies (government, industrial, high-tech, telecom, financial services)Senior Information Security Engineer, Magion ISS b.v. (industrial services e.g. oil, gas and chemical)