How do you pitch an investor? What has running a company taught you? What are some rookie mistakes? What advice would you give an entrepreneur? Mashable asked these questions to the CEOs of Learnvest, Roadify, Hunch, and HowAboutWe, along with angel investor David B. Lerner and seed-stage venture capitalist Brett Martin.

What advice would you give to an entrepreneur that is just getting started?

Brett Martin David B. Lerner entrepreneur HowAboutWe Hunch Learnvest Roadify startup