The monthly steering group.
The deck is 34 slides and mostly green. Each team reports in good faith: their bit is nearly there, pending the thing that isn't theirs. Multiply by six teams and you have a project that is six “nearlys” away from finished.
The word “done” has quietly become negotiable. Legal is “comfortable, subject to.” Ops is “ready, depending.” The committee that can actually unblock things meets after the thing it needs to unblock is due.
Someone finally asks, in the meeting, what percentage finished the project actually is. The number offered, “around 90”, is a feeling, not a fact. Everyone knows it. The minutes record it anyway.
This is the work I did at enterprise scale for twenty years: £1.5m deals, programmes with more stakeholders than staff, held to real dates. Complexity yields to structure. It always has.
Complex projects don't need another committee. They need one owner and a written definition of done.