Jeff Williams left a 20-year career in corporate sales and marketing at the age of 39 to become an entrepreneur. About ten years later, Jeff put his startup know-how to work at Bizstarters, the company he founded to coach 50+ Americans transitioning to entrepreneurship. Here, Jeff talks about why Boomers are catching the start-up bug in such large numbers—and why so many are winding up as sole practitioners working from home. Jeff also offers his top five tips for would-be entrepreneurs. entrepreneur, start-up