Strategic IT Architecture & Mainframe Consulting
Niek de Greef
Lead IT Architect & Strategic Advisor
I help Chief Architects and Executives lead high-stakes technology transformations with confidence. My expertise lies in translating complex mainframe modernization and enterprise architecture challenges into clear, actionable business strategy.
What I Do
- Strategic IT Architecture : De-risking Transformation – I deliver clear, actionable enterprise roadmaps and transformation plans that minimize risk and ensure predictable outcomes for complex IT landscapes.
- Mainframe Modernization Acceleration – Providing independent, expert strategy and platform decision support to accelerate your mainframe application time-to-market and reduce operational costs.
- Executive Clarity & Confidence – Translating the technical complexity of your IT estate into clear, strategic decision documents that empower the management team to act with confidence.
Experience That Matters
- 30+ years mainframe systems expertise
- Lead Architect at Bank (team of 80+ specialists and architects)
- Former IBM Executive IT Architect & Global Account Architect
- Co-author of multiple IBM Redbook co-author publications
- MSc in Computer Science, 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.
Ready to De-risk Your Next Transformation?
Book a 30-Minute Strategy Session. Let’s quickly assess your Mainframe Modernization or Enterprise Architecture challenge and define the most critical next step. No commitment required.
Your time is valuable. I guarantee a focused, high-value discussion.
Not Ready to Talk? Get a Quick Architecture Review.
Submit your challenge by email. I will personally review your transformation question and send you a brief, expert perspective on the most common pitfalls and critical success factors.
📧 ndegreef@seneqa.nl
🔗 [LinkedIn Profile]
📚 Insights at [execpgm.org]