If you can be a product manager, you can acquire the experience of acting as a CEO. The skills gained in product roadmapping, prioritizing tasks, interoffice communications, customer understanding, and product marketing are absolute necessities for being an effective enterprise lead. So says Mark Pincus, CEO and Founder of Zynga, who suggests this necessary on-the-job training for aspiring entrepreneurs. Be strategic. Take your times. Build yourself at world class companies before stretching your own ideas to task.