Ask HN: Have you known any devs that become great CTOs with no leadership exp?

Have you known any devs that became CTO at early stage startup and grew to be REALLY good at their roles?

I feel like it's a trend for young inexperienced first dev hires to become CTO as a cool title, and eventually get ousted for a really experienced one once the company got big enough.

Curious to know how to effectively grow as one and really become amazing at the job