Joined Moret Ernst & Young in 1977, chartered accountant (1990) and senior manager since 1991.
Experience with computer centre audits, information systems audits and audits on logical access control with companies in several lines of business (banking, insurance and government). Specialized in audits in IBM, DEC, and Siemens environments. Lecturer at the Free University of Amsterdam (post-graduate course in accountancy). Lectures on logical access control of VAX/VMS systems.