Here's the pattern I see with technical founders: they built the product, they own the vision, they make every major product decision. Then one day, they're managing three product lines, two customer segments, and five product managers—and they've become the bottleneck. In Formula 1, there are two championships running simultaneously. The Drivers' Championship crowns individual brilliance. The Constructors' Championship crowns the team that built the best system. Early-stage startups are driver championships—founder vision wins. But at scale, you need constructor championship thinking. The product system wins, not just the founder's instinct. Most founders miss this transition. They keep driving when they should be building the constructor. The signal isn't headcount or funding round—it's strategic timespan. When your product decisions shift from 3-month feedback loops to 3-year bets, you've crossed the threshold. That's when you need a Chief Product Officer.