Failing is hard. It hurts. You go into a tailspin of destruction. If you built up skills that are marketable and achieved great things along the way, you'll be

Failing is hard. It hurts. You go into a tailspin of destruction. If you built up skills that are marketable and achieved great things along the way, you'll be pleasantly surprised - I came out worth almost 2x on the market as what I did when I quit. It was incredible. That said, being an entrepreneur will change you - you will become a maverick, you will lose your fear of authority, you will be a value creator as you're so used to the survival mentality you used to foster in your startup. This alone justifies why any company that cares about innovation would want you leading their team.