The Economic Times

Harvard, Yale and Stanford rejected him: How a 19-year-old co-founded a $30 million-a-year app and then sold it

Zach Yadegari, 19, co-founded Cal AI, an AI-powered calorie-tracking app that reportedly reached 10 million users and generated $30 million in annual revenue before MyFitnessPal acquired it. The Long Island entrepreneur previously sold gaming website Totally Science for approximately $100,000 at 16. He made headlines in 2025 after revealing that 15 of 18 universities he applied to, including Harvard, Yale and Stanford, rejected him.