Sunny Vanderbeck was growing Data Return 40% every quarter when he took the company public in 1999 on the way to a market capitalization of more than $3 billion. Until the bubble burst.

O'Neil-Dunne was able to patent his technology and create a competitive advantage by learning the "patois" of his industry. Here's how.

In 1999, Peter Kelly was at Stanford business school when he and two partners spotted an opportunity to remake an industry – used cars.

Mark Deutschmann started Village Real Estate in 1996 and by 2018 he had grown it to 350 salespeople. Then six of his agents decided to compete with him. Anyone would be upset, but you'll be surprised at what Deutschmann did next.

Glenn Grant always assumed he would sell his company for a multiple of EBITDA… until private equity firms started talking multiples of revenue. He decided to learn more.

After falling ill, Nation Leagues owner, David Heimlich, needed to sell his business – but to his surprise, it was worthless. He learned the hard way why you can't be the center of the business.

When Tommy Berretz had his successful swimming pool company valued, he had just one (big) problem: he didn't like what he found out.

John MacInnes pulled his business out of a rut by evolving into a subscription-based model. Here's how he did it.

From a standing start, Dinesh Dhamija grew European online travel agency eBookers to more than one billion in sales in just five years.

Matt Slaine used his wisdom from Wall Street to buy the perfect company, and later sell it for a perfect price.