Zachyadegari

Cal AI is a mobile app founded by Zach Yadegari that uses artificial intelligence to estimate the calorie and nutritional content of a meal from a single photo. Instead of manually searching a food database, users point their camera at what they're eating and the app handles identification and logging automatically. The app is the centerpiece of Zach's entire public brand and content output.

Cal AI uses a computer vision AI model to recognize food items in an image and estimate portion size alongside nutritional values like calories, protein, carbs, and fat. The approach is designed to remove the friction of traditional calorie logging, where users had to search and manually enter every item. It's the core technology differentiator Zach built the company around.

Zach Yadegari earned his spot on Forbes 30 Under 30 through his work founding Cal AI, an AI-powered calorie tracking app he built as a teenager. The list recognizes entrepreneurs making an outsized impact before the age of 30, and Zach's age at founding made his story particularly compelling to the selection committee.

Zach Yadegari founded Cal AI when he was a teenager, which is a significant part of why his story attracted widespread media attention and a Forbes 30 Under 30 recognition. He frames his journey as proof that young founders don't need conventional credentials or years of industry experience to build something serious.

It's a documentary-style series where Zach Yadegari takes viewers inside the real-time process of scaling Cal AI. Rather than a polished retrospective told after the fact, the series is designed to capture actual decisions, setbacks, and milestones as they happen — Episode 1 marks the opening of that ongoing founder narrative.

'Why Not You' is a recurring phrase in Zach's content that captures his core message for young or unconventional founders: stop treating extraordinary success as something reserved for other people. It pairs directly with his YouTube bio — 'You have to be crazy enough to believe you can change the world in order to change it' — and surfaces regularly as a standalone caption across his posts.

Zach Yadegari is primarily a startup founder — Cal AI is his core venture and the subject his entire public presence revolves around. His YouTube and Instagram content functions as a transparent window into the company-building process rather than traditional entertainment, making him closer to a founder-influencer than a conventional creator.

Zach Yadegari publicly frames Cal AI as a venture he is building toward billion-dollar scale, which he documents openly in his YouTube series. While specific revenue figures are not publicly disclosed, his Forbes 30 Under 30 recognition and the traction the app generated at an early stage suggest it reached real commercial momentum quickly.

Zach's content centers almost entirely on entrepreneurship and the experience of building Cal AI from the ground up. On YouTube he runs the 'How I'm Building a Billion Dollar Company' series, while his Instagram tends toward shorter motivational clips and behind-the-scenes moments tied to the same startup narrative.

Zach Yadegari is based in the United States, where he founded and operates Cal AI. His entrepreneurial work has been recognized by US media, most notably Forbes, which named him to its 30 Under 30 list.