Discussion Beat Success Can Come at Any Age. Just Look at These 6 Successful Entrepreneurs. Jul 30, 2015 by Sujan Patel 496 Based on the way startups are covered in the media today, it’s easy to feel like all founders are in their teens or 20s. Stories abound of young millionaires and entrepreneur teenagers, but that’s only part of the picture. There are plenty of entrepreneurs out there who found their “big ideas” later in life, founding companies that, in some instances, last well beyond their years.