The photography is rarely what goes wrong. The shoot runs long because the shot list was in someone's head, the light closes in, the client expected retouched files by Friday, and nobody wrote down what the licence covers. Every one of those is admin, and every one costs a rebooking or a discount.
Creative Director holds the niche, the visual style, the references, and the level of polish the client expects, and sets shot priorities against brand constraints. Producer plans it as a real production: equipment kit, pre-production checklist, weather backups, travel windows, assistant needs, and schedule constraints, returning a shoot plan, shot list, call sheet, and risk checklist. Client Services Lead handles the client side: turnaround expectations, licensing boundaries, delivery format, revision policy, and the messages that go out before and after the day.
The call sheet exists before the morning of the shoot. The client knows the revision policy before they ask for a fourth round.