If large corporations are from Mars , then startups must surely hail from Venus. While the founder of a small but ambitious startup catches the bus or underground train to work and shares coffee-making duties with the rest of a close-knit team, the corporate CEO arrives by car, takes the elevator to the fifteenth floor interacts mainly with a handful of senior executives. And while the early-stage entrepreneur may struggle to fund the next stage of R&D or the increase in payroll required to take a product to market, the head of a successful corporate rarely has to spend much time worrying about available resources.