MEET JOOST GROENEWEGEN
Founder & Principal Advisor, JTI Advise

We help organizations turn customer requirements, regulatory obligations and certification targets into practical management systems that create control, readiness and trust.
WHO JTI ADVISE HELPS
JTI Advise supports organizations where trust, compliance and certification readiness have become business-critical.
EXPERIENCE HIGHLIGHTS
25+ YEARS BUILDING MANAGEMENT SYSTEMS
International experience developing, improving and certifying management systems in regulated and customer-driven environments.
INFORMATION SECURITY & COMPLIANCE
Information security governance, ISO 27001 implementation and certification, NIS2 readiness support.
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AUDIT & ASSURANCE
Third-party audits, readiness reviews and management-system maturity assessments that turn findings into practical improvement actions.
INTERNATIONAL DELIVERY
Projects delivered across multiple European markets in English, Dutch and Italian.
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SELECTED PROJECT EXPERIENCE
Vessel management Sweden
ISO 27001 certification support and ISMS development.
Telecommunications Italy
NIS2 gap assessments and compliance advisory support.
Medical technology Netherlands
ISO 27001 gap assessment and management-system review.
Automotive supplier Belgium
ISO 27001 implementation and certification readiness.
Global software and data services
Leadership of multi-site certification for management systems across 30+ countries.
QUALIFICATIONS
CREDENTIALS
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Lead Auditor ISO27001
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NIS2 Assessor
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Lead Auditor ISO9001
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Lead Auditor ISO13485
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Automotive SPICE assessor
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Executive International MBA
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25 years experience as quality and certification manager