
In this interview, Zach Yadegari explains how he transformed a frustrating fitness problem into Cal AI, an AI-powered calorie tracking app that reached an estimated $24 million in annual revenue. He shares the lessons learned from launching products as a teenage entrepreneur, building a viral consumer application, leveraging influencer marketing, and scaling a startup in the highly competitive health and fitness industry. The conversation also explores product-market fit, user acquisition strategies, and the mindset required to build successful technology companies at a young age.
Zach Yadegari is the founder and CEO of Cal AI, a fast-growing fitness application that uses artificial intelligence to estimate calories and nutritional information from food photos. The idea originated from his own struggles with traditional calorie-tracking methods, inspiring him to create a faster and more user-friendly alternative. Before launching Cal AI, Zach founded TotallyScience.co, a popular unblocked games platform that attracted millions of users during the COVID-19 pandemic. His entrepreneurial journey highlights the importance of solving real-world problems, embracing innovation, and using modern marketing strategies to scale technology products rapidly.
August 26, 2025
This is interview 2 of 2 with Zach Yadegari.
Zach Yadegari has been featured on CEO Insider 2 times. Explore the full collection.
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