How One Team Uses Decision Logs to Stop Repeating Mistakes

Tech Leadership with Fexingo: Engineering Managers, CTOs, and Technical Leadership Conversations · Jun 5, 2026 · 6m · transcript

In Episode 32 of Tech Leadership with Fexingo, Lucas and Luna dive into the practice of decision logs—a lightweight documentation technique that helps engineering teams avoid repeating costly mistakes. Lucas shares a concrete example from a mid-stage startup that used decision logs to cut recurring incidents by 60 percent over six months. They discuss how to start a decision log, what to include (context, decision, rationale, outcomes), and common pitfalls like over-documentation. Luna brings up the counterpoint of decision fatigue and how logs can actually reduce it. They also touch on the…