Matthew Gallagher transformed a $20,000 investment into a $1.8 billion telehealth company using artificial intelligence. Medvi, a provider of GLP-1 weight-loss drugs, gained 300 customers in its first month and $401 million in sales during its first full year of operations in 2025. Gallagher employed AI for coding, marketing, customer service, and business analytics while relying on just one human employee—his brother.

The company's remarkable growth trajectory demonstrates how AI enables entrepreneurs to build massive enterprises with minimal human resources. Gallagher utilized numerous AI tools including ChatGPT, Claude, and Midjourney to develop his website and marketing materials, while outsourcing medical compliance through platforms like CareValidate. His approach contrasts sharply with competitors like Hims & Hers Health, which employs 2,442 people.

Gallagher's success validates predictions from OpenAI CEO Sam Altman that AI would enable superefficient companies. While Medvi technically has two employees and some contractors, the startup's profitability and $1.8 billion annual revenue projection showcase how AI can turbocharge traditional business models. The entrepreneur even created an AI clone of his voice to optimize his time management.