Every organisation has one. The person who: “just knows how things work” remembers every submission knows which spreadsheet matters and quietly keeps the wheels turning   They are invaluable. They are also a single point of failure. If things fall apart when one person is on leave, resigns, or retires, that’s not loyalty paying off. That’s risk hiding in plain sight.   Why does this matter? Institutional memory feels efficient, but it: can’t be audited can’t be transferred ea