Long before an entrepreneur can go public, he needs the private help of venture capitalists, underwriters and assorted ground-floor investors. They are the dreammakers whose cash and advice can mean the difference between survival and collapse for a fledgling company. They often risk big money, but with luck and savvy they can earn huge rewards. Four successful financiers who have helped launch small companies:
Thomas Unterberg: Staying on the Run. On a typical weekday Unterberg rises at 6 a.m. and dons a sweatsuit. From his Park Avenue apartment, he runs 28 blocks to a...