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Gerrit-Jan Bierhof is a security and risk management professional with extensive experience in various roles across multiple organizations. Currently serving as the Manager of Quality Assurance & Security at Improven since November 2020, Gerrit-Jan Bierhof oversees quality assurance in relation to ISO 9001 and security standards under ISO 27002. Prior roles include positions as a Senior Security and Risk Consultant at Improven, Security & Risk Consultant at Cegeka, and Senior Risk & Security Engineer at ABN AMRO Bank N.V. Gerrit-Jan Bierhof's expertise spans risk management, business continuity, and information security consulting, supported by certifications such as CISSP, CISA, and expertise in ISO standards. Educational background includes a bachelor's degree in Information from Saxion University of Applied Sciences and additional certifications in information security and Scrum methodologies.