When you’re the company founder or CEO, a time is going to come when you’re going to have to fire someone. The first hires at a startup are too important: if you get one wrong, the company will suffer. If you wait too long to fix your mistake, the company may even go under. As the company grows, the stakes lower, but only incrementally. Keeping on a person who isn’t up for the job means that not only does their work not get done, but their whole team suffers.