"Guys, I also respected you until you turned that offer down," Kevin O'Leary said.

"Shark Tank" investor Kevin O'Leary told Business Insider he's a "vampire" who will never retire, and urged people to keep ...

The "Shark Tank" star and venture capitalist has gone from reality TV to acting alongside an Oscar winner in "Marty Supreme." ...

Shark Tank' investor Kevin O'Leary analyzes U.S. economic strength, semiconductor export restrictions to China and NYC’s mayoral race polling.

"Shark Tank" star Kevin O'Leary plays a wealthy businessman married to Gwyneth Paltrow in the Timothée Chalamet movie "Marty ...

Kevin O’Leary takes on an unexpected major acting role in A24’s Marty Supreme alongside Timothée Chalamet, sparking curiosity about his past and future in acting.

Kevin O'Leary, also known as "Mr Wonderful," says artificial intelligence is helping businesses like his fight inflation and survive margin pressure brought on by new tariffs. What Happened: In a ...

Kevin O'Leary urged students at Harvard to forgo the traditional consulting route and instead establish their own businesses.

Although Kevin O’Leary became a millionaire more than 25 years ago after selling his software company Softkey Products to Mattel for $4.2 billion in 1999, he said he still remembers the exact ...

Kevin O'Leary says young entrepreneurs should spend 24 months working before starting their business. Gaining industry knowledge and connections, he said, increases the probability of success. A ...

Kevin O'Leary has expressed concern over the increasing difficulty Americans are experiencing in contributing to their 401(k) plans due to overspending.

For one view on President Trump’s trade wars and his battle against Harvard, Amna Nawaz spoke with Kevin O’Leary, a businessman, celebrity investor and a regular on the show “Shark Tank ...