Starting up a business requires brains, heart and money – but in the case of the last, not as soon as you might think. There's no lack of ''how-to'' books on how to become a successful entrepreneur. Yet most ventures are doomed to fail, whether because the timing wasn't right, the funding wasn't in place or the partners lacked the patience to see it through. On this episode, we hear from Silicon Valley entrepreneur John Chisholm, who has shepherded two online software companies to success, and invested in dozens of other privately held companies. Now chief executive officer of San Francisco-based John Chisholm Ventures, he is the author of a new book called Unleash Your Inner Company: Use Passion and Perseverance to Build Your Ideal Business. He talks about some of the misconceptions that surround most start-ups, including the impulse to seek funding too early. And he offers a number of tips on how to guide your start-up through the many obstacles that you're bound to encounter on the journey.