Former 'Shark Tank' contestant Jamie Siminoff turns into Guest

quot;Shark Tank" is back for its 10th season and 200th episode! Inventor and successful entrepreneur Jamie Siminoff is joining the show as a guest shark for the season premiere. He's the first person to ever go from contestant to shark in the show's history.

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Former 'Shark Tank' contestant Jamie Siminoff turns into Guest Shark in 10th season premiere - ABC7 San Francisco

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Former 'Shark Tank' contestant Jamie Siminoff turns into Guest Shark in 10th season premiere - ABC7 San Francisco

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