# Governance exists to protect decisions, not data. That line changes the whole...
Canonical: https://social-archive.org/tgroenwals/VFnCtz7sOu
Original URL: https://www.linkedin.com/posts/john-wernfeldt-82894b58_governance-exists-to-protect-decisions-not-share-7460964927160377344-B8Nv/
Author: John Wernfeldt
Platform: linkedin
## Content
Governance exists to protect decisions, not data. That line changes the whole conversation with the board. The moment you stop talking about data quality and start talking about decision quality, the room leans in. I drew this framework after getting the same question from three different CDOs in the same month: “We have governance on our roadmap but nobody agrees on what it actually includes.” So here are the layers, bottom to top: Layer 1: Foundational data management. Data modelling, master data, integration, storage, security. Without foundations, every layer above is unstable. Layer 2: Data quality and observability. Profiling, anomaly detection, freshness monitoring, schema validation, lineage tracking. Bad data makes governance impossible, and most organisations try to govern bad data instead of fixing it first. Layer 3: Policies and standards. Access controls, classification, retention, metadata standards, ethics and compliance. Policies without enforcement are just suggestions. Layer 4: Ownership and accountability. Data stewards, data owners, domain leads, platform owners, governance council. Stewards enforce the rules, but owners hear the risk. Layer 5: Data products and consumption. Metrics, dashboards, ML features, APIs, AI prompts. If no one owns the output, governance already failed. Top layer: Business decisions. Executive KPIs, AI outputs, regulatory reporting, pricing, board metrics. Every layer depends on the one below it. AI outputs can’t be governed if nobody owns the metrics they’re built on, and ownership means nothing if the policies aren’t enforced and the underlying data quality isn’t there to support it. Start from the bottom and build upward. I wrote a free playbook on building the first layers in 30 days: https://lnkd.in/dVrvwqqE ♻️ Repost if your governance is missing a layer.