in Los Angeles. On 23 September 2016, Shark Tank began its eighth season. The current "sharks" are: Robert Herjavec, who sold his IT security firm at the height of the dot-com bubble for over $100 million. Previously appeared on the Canadian version of Dragon's Den. Lori Greiner, President and CEO of For Your Ease Only, as well as host of a monthly show on the QVC Network. Kevin O'Leary, former co-host of The Lang and O'Leary Exchange on CBC News Network, formerly president of The Learning Company, which was sold to Mattel for $3.7 billion in 1999. Previously appeared on the Canadian version of Dragon's Den. Barbara Corcoran, self-made real estate millionaire who sold her company The Corcoran Group for $66 million in 2001. Daymond John, founder of FUBU. Mark Cuban, owner of the basketball franchise Dallas Mavericks and billionaire entrepreneur. For the first two seasons of the series, Kevin Harrington was a regular shark. He was replaced in the third season by Mark Cuban. Unlike versions of the show in other countries, the U.S. version uses a rotating cast of sharks every season, of which five usually appear in each episode, although all six sharks have occasionally appeared on a single episode. Also on occasion, guest investors fill in for a regular shark on the panel. Past guest investors include: Jeff Foxworthy, comedian and television personality. Steve Tisch, chairman and Executive Vice President of the New York Giants. John Paul DeJoria, founder of John Paul Mitchell Systems haircare line and Patrón. Nick Woodman, the founder and CEO of GoPro. Chris Sacca, Proprietor of Lowercase Capital which made early investments in companies including Uber, Twitter, Kickstarter and Instagram. Ashton Kutcher, American actor and investor. Troy Carter, Founder, chairman and CEO of Atom Factory. Alex Rodriguez, retired Major League Baseball player, currently ESPN Sunday Night Baseball commentator and investor. Jamie Siminoff, Founder of Ring Inc. Sara Blakely, Founder of Spanx. Rohan Oza, brand marketer. Daniel Lubetzky, Founder of Kind (company). Kendra Scott, Founder of Kendra Scott LLC. Charles Barkley, Former NBA MVP and investor. Peter Jones, dragon on Dragons' Den Emma Grede, CEO and co-founder of Good American and founding partner of Skims Kevin Hart, founder of Laugh Out Loud Productions, and an actor and comedian Nirav Tolia, co-founder of Nextdoor Vietnam A Vietnamese version of the show, titled Thương vụ bạc tỷ ("billion-dollar deal"), with the English-language title Shark Tank