Strategic IT Architecture & Mainframe Consulting
Niek de Greef
Lead IT Architect & Strategic Advisor
I help organizations make confident decisions about complex technology transformations, with specialized expertise in mainframe modernization and enterprise architecture.
What I Do
- Strategic IT Architecture – Enterprise roadmaps and transformation planning
- Mainframe Consulting – Modernization strategy and platform decisions
- Executive Advisory – Translating technical complexity into business clarity
Experience That Matters
- 30+ years mainframe systems expertise
- Lead Architect at Rabobank (team of 80+ specialists and architects)
- Former IBM Executive IT Architect & Global Account Architect
- Co-author of multiple IBM Redbook co-author publications
- MBA & Distinguished Chief Architect certification
Current Focus
Author of “Don’t Be Afraid of the Mainframe”, helping executives and chief architects lead technology transformations with confidence, not fear.
Let’s discuss your transformation challenges.
📧 ndegreef@seneqa.nl
🔗 [LinkedIn Profile]
📚 Insights at [execpgm.org]