S2 E4 | Build vs Buy in the GenAI Era: Inside Belfius’ Data & AI Strategy
Nov 5, 2025
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Hannes Heylen & Kris Peeters
How Belfius scales GenAI: claims copilot, fraud models, build-vs-buy, and governance - practical lessons for CIOs/CDOs.
Belfius Insurance’s Head of Data & AI, Hannes Heylen shares how his team scaled GenAI - from a fraud detection flywheel to “Nestor,” a claims copilot that speeds summaries, completeness and coverage checks. We unpack AI agents in the claims flow, build-vs-buy decisions, and why content/data governance drives LLM quality. Plus: a pragmatic delivery mantra - make it work, then right, then cheap - for CIOs, CDOs and Heads of Data.
Topics: ROI-first use cases • Claims automation • AI agents (GenAI + ML + human-in-the-loop) • Governance • Vendor flexibility & costs
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