But it wasn't just any job. The brief stint as an ice cream scooper changed O'Leary's life. The "Shark Tank" investor says the day his boss fired him was the moment he realized he wanted to be an ...
Sub Zero Liquid Nitrogen Ice Cream started in 2004. Nearly a decade later, founders Jerry and Naomi Hancock pitched the business on a 2013 episode of ABC's "Shark Tank." While the show's "shark ...