Kevin “Mr. Wonderful” O’Leary, 70, is known for not holding back his combative opinions when dealing with budding business ...

According to Shark Tank investor Kevin O'Leary, billionaires such as Steve Jobs and Elon Musk give importance to signal over noise.

One of the most talked-about moments on Shark Tank is when Kevin O'Leary invested in Pop It Pal, though he has made some of ...

O’Leary Ventures Chairman Kevin O’Leary joins ‘Fox & Friends Weekend’ to discuss the future of cryptocurrency under the Trump administration.