This is typically not the case. Entrepreneurs by nature are passionate about their business solution. Is not impossible, though I would recommend networking and nurturing relationships with like minded entrepreneurs before you go for the pitch. If you have an idea, you can be the entrepreneur and launch it yourself if your goal is to be part of the dev team anyway. entrepreneurs don't always have all the resources readily available and that's what makes them "entrepreneurs"

Go for it! And if you need any guidance we are here to help you out