"You sacrifice everything, you do anything you possibly can — including firing your mother if you have to — to make that ...

Paul Monreal is a fourth-great-grandchild of Catherine and Patrick O’Leary, who were wrongfully accused of starting the Great ...

The ornate clock has belonged to Chicago’s famous O’Leary family for over a century. Now Mrs. O’Leary’s descendants hope to ...

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

After 16 seasons under the belt, this veteran shark has all the fans saying the same thing: 'She is mean...' ...

Entrepreneurs sign up for sacrifice—just ask Elon Musk, who said 2008 was "the worst year of my life" and that on the Sunday before Christmas, he thought he was on the verge of a nervous breakdown, ...

Even though 'Shark Tank' is popular for its tough tactics, there have been moments when the investors were left emotional ...

Shark Tank star and businessman Kevin O'Leary has always nicknamed himself "Mr. Wonderful," but now he's adding another ...

Reality TV star Kevin O'Leary: It's "fantastic" that 85 people have more wealth than 3.5 billion The guy you probably know best from "Shark Tank" offers a curious endorsement of global capitalism ...

Reality TV star Kevin O'Leary: It's "fantastic" that 85 people have more wealth than 3.5 billion The guy you probably know best from "Shark Tank" offers a curious endorsement of global capitalism ...

If you are one of the many people out there trying to get rich, or at least trying to push past living paycheck to paycheck, you'll be able to find thousands of different pieces of advice with a ...