New Delhi, Oct. 21 -- At 19, American entrepreneur Zach Yadegari has already built two businesses and secured $10 million in funding for his latest venture, Persona. The young founder first attracted attention with Cal AI, an artificial intelligence-powered calorie-tracking app that reportedly generated more than $30 million in annual revenue before being acquired by MyFitnessPal.

Persona marks Yadegari's next move in the AI space, months after the acquisition of his previous venture. According to a 8 October report by TechCrunch, the startup's $10 million funding round was led by Vine Ventures, with participation from Z Fellows founder Cory Levy and Collective Global.

Yadegari is an entrepreneur from Long Island, New York, who began le...