“The only reason to do business is to make money; that's the only reason for doing business.”

Canadian businessman and television personality

Terrence Thomas Kevin O'Leary is a Canadian businessman and television personality, known as Mr. Wonderful. He became familiar to many viewers through Canadian business television, especially The Lang and O'Leary Exchange and Dragons' Den, and later through Shark Tank in the United States. From 2004 to 2014, he appeared on several Canadian television programs, building a public profile around finance, investing, and blunt on-air commentary. He also hosted Project Earth on Discovery Channel in 2008, and made his feature film debut as Milton Rockwell in Josh Safdie's Marty Supreme in 2025.