Although it's hard to tell how much he's made in total out of all his "Shark Tank" investments, here are some businesses that ...

Kevin O’Leary has made numerous investment bets on Shark Tank, backing everything from kitchen gadgets to cat DNA testing. But when it comes to teaching his own kids about money, his advice is ...

Want to boost your retirement savings? Kevin O’Leary reveals the simple '90-day number' strategy that could help you grow ...

Multimillionaire serial investor Kevin O’Leary says just 24 months in consulting is enough to kill future prospects: ‘You are ...

After decades of building and selling companies for billions, Kevin O'Leary has identified one common habit he believes is ...

Here are two pieces of money advice from Kevin O'Leary that, while potentially controversial to some, could help you if ...

O’Leary Ventures Chairman and "Shark Tank" investor Kevin O’Leary voiced sharp criticism of New York City mayoral candidate ...

Although Kevin O’Leary became a millionaire more than 25 years ago after selling his software company Softkey Products to ...

Common ground between Bitcoin mining operations and AI data center requirements is now the focus of institutional investors ...

Kevin O'Leary recalls trying to compete against Tom Brady in a watch competition after the former QB showcased an exclusive ...

Kevin O'Leary finds motivation in proving critics wrong, learned from Steve Jobs to focus on essentials and ignore criticism.

Would you fire your own mom to get ahead in life? Kevin O'Leary would. In fact, he says you should — if that's what it takes. "You sacrifice everything, you do anything you possibly can — including ...