Dan Braido, Audley Wilson and Andy Siegel are the co-founders of RoboBurger, which makes vending machines that dispense customized burgers — a concept they call "the future of fast food." Yet by the end of the episode, O'Leary teamed up with a guest judge, Fanatics CEO Michael Rubin, to offer the RoboBurger founders $1.5 million. Seeking $1.5 million despite no profitsThe trio of founders brought a vending machine for the judges to try. RoboBurger's vending machine on display on the set of ABC's "Shark Tank." At the time of filming, RoboBurger had been in "beta testing" for 18 months, with more than 12,000 burgers sold, the founders said.

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Persons: Dan Braido, Audley Wilson, Andy Siegel, Kevin O'Leary, O'Leary, Michael Rubin, Rubin, Cuban, Christopher Willard, hadn't, Siegel, RoboBurger didn't, RoboBurger, Wilson Organizations: RoboBurger, Disney, Sharks Locations: Jersey City , New Jersey