The Decision You Will Have to Defend in Twelve Months
Good decision-making is not about being right in the moment. It is about being defensible under retrospect.
January 2026 · 5 min read
Most significant decisions are made with incomplete information, under some form of time pressure, and are judged not at the moment they are made but months later, once the outcome is visible and hindsight has quietly rewritten what seemed obvious at the time.
This creates a specific trap. Executives sometimes optimise for the decision that will be easiest to defend later, given how things turned out, rather than the decision that was actually best given what was known at the time. That is hindsight bias operating inside an organisation, and it punishes good decision processes that happened to produce a bad outcome, while rewarding lucky decisions with poor underlying reasoning.
The only reliable defence against this is documentation at the time of the decision, not after. What alternatives were considered. What information was available and what was missing. What assumption, if wrong, would change the recommendation. Written down before the outcome is known, this record protects a sound decision process even when the result does not go as hoped.
This is a discipline, not a talent, and it is one of the easiest to build into an organisation's operating rhythm: a short, structured decision log for anything material, completed at the time, not reconstructed for an audit or a board question after the fact.
Organisations that build this habit make better decisions over time for a simple reason: they can actually see, with evidence, which decision processes produced good outcomes and which did not, instead of relying on memory that has already been reshaped by whatever happened next.