Post product market fit.
Anything before that, you’re hiring people tasked with growing a product that isn’t properly wanted yet. The best early growth strategy is: talk to every. single. user.
Understand those users needs, how your product is falling short, where they’re really liking it. By following the iterative process around your early users (talk to them > learn from them > iterate for them > build for them > repeat), you may soon find PMF. And at that point, time to hire your growth team with these traits.