
How a teenage CEO built a fast-growing calorie-tracking app
Like millions of fellow 18-year-olds across the U.S., Zach Yadegari spent his summer preparing for college. Unlike most other freshmen, Yadegari doubts he’ll linger in academia for very long. He’s the co-founder and CEO of Cal AI, a calorie-tracking mobile app he launched from his parents’ home in Roslyn, New York, in May 2024 —…