Calling all Shark Tank superfans! You may watch the hit ABC show’s stars making deal after deal each week in the tank, but how much do you really know about Barbara Corcoran, Mark Cuban, Robert Herjavec, Kevin O’Leary, Daymond John, and Lori Greiner outside of TV? Scroll down to learn more about the sharks and find out their crazy net worths!

Barbara Corcoran

Barbara, 68, is a businesswoman, investor, speaker, consultant, syndicated columnist, and author. In 1973, she co-founded The Corcoran Group with her then-boyfriend and is now an NYC real estate mogul. Her net worth is an estimated $40 million today.

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The Shark Tank cast. (Photo Credit: Getty Images)

Mark Cuban

The 59-year-old works as a businessman, investor, author, and philanthropist. He’s also the owner of the NBA’s Dallas Mavericks and has a hand in several entertainment companies. Today, the Philadelphia native is worth a whopping $3.3 billion.

Robert Herjavec

Robert began his business career as a film producer and director before working as a salesman for Logiquest. He later founded his own company that integrated Internet security software. As of June 2016, Robert is worth $200 million.

Kevin O’Leary

Kevin became rich by co-founding businesses O’Leary Funds and SoftKey Software Products, the latter of which was a technology company that sold education and entertainment software. The Canadian businessman, author, and TV personality is worth around $400 million today — impressive, right?!

Daymond John

Daymond is best known as the founder, president, and CEO of the popular clothing brand FUBU, which the star created in the early 1990s. The father-of-three has a net worth of $250 million as of 2016.

Lori Greiner

Lori — aka “The Queen of QVC” — holds 120 US patents and is recognized for being “one of the most prolific inventors of our time.” Today, the entrepreneur, author, TV star, and investor is worth $50 million.

Check out the gallery below to find out all the Shark Tank stars’ first jobs!