Coaching by Exception: The Andon Cord for Your Coaching Practice
July 25, 2026 · 6 min read
Lean Six Sigma solved 'one expert, too many stations' seventy years ago — it's called the andon cord. Yet the way we coach practitioners breaks the very principle we teach: coaches drown in lagging spreadsheets, status emails, and tollgates that were never coaching. Coaching by exception is what it looks like to finally eat our own dog food — a jidoka signal that summons the coach only when a project actually needs them.



