We've seen this over and over again at high growth startups and can't recommend enough:
When your company has a true performance culture it acts as a forcing function. You'll attract high performers, the type of people who thrive in a results based environment, who want to work hard, who want to grow fast and filter out the people who don't.
Unicorn founder Blake Murray shares how he built this at Divvy and used it to turn his company into a multi-billion dollar juggernaut in 5 years: https://youtube.com/watch?v=3ttUEucpXg4&t=346s