postmortem

A board isn't an engineering audience and the postmortem they want isn't the one you'd write for your team. Lead with the wrong thing and you confirm their fear that this is unmanageable. Here's the board-grade structure, blameless but accountable, that restores confidence.

Everyone has a model that looked great offline and tanked online. The screen is whether you can tell the root cause from the symptom, and whether your fix was a patch or a guardrail that survives the next model.

The incident with no onset spike and no pager: precision bled out over weeks while every dashboard stayed green. How to run a blameless postmortem when the incident has no clean start time, the root-cause classes that hide this long, and the action items that actually prevent the next one.

The capstone governance round: AI incidents break standard IR playbooks in three specific places, containment without rollback, blast-radius over probabilistic systems, and root cause for nondeterministic behavior. Interviewers grade you on knowing which three.