According to Cuban's recollection, Yim would reply that he was 'networking' on behalf of the business.Ĭuban said the excuse didn't quite hold up: 'Next thing you know, all of the money's gone.'īy 2016, Yim was transitioning away from the Breathometer, partnering with health care giant Philips on a product called Mint that measured levels of sulfur compounds in your mouth to determine whether or not you had bad breath.

'I'd text him, like 'What the f- are you doing? You're supposed to be working,'' Cuban said. Two weeks later, he'd been in Vegas partying, and then he'd be on Necker Island with Richard Branson.' 'But, the guy – Charles – I'd look at his Instagram and he'd be in Bora Bora. 'It was a great product,' Cuban said last week. Cuban, Kevin O'Leary, Daymond John, Lori Greiner and Robert Herjavec pooled together a $1 million investment for a 30% stake, which valued Yim's company at $3.3 million. The pitch was compelling, and Yim became the first 'Shark Tank' entrepreneur to pull in all five Sharks into a joint investment.

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