Sam Bhagwat

Sam Bhagwat is the Founder and Chief Executive Officer of Mastra, a Y Combinator-backed TypeScript framework designed for building artificial intelligence agents. Prior to launching his current venture in the Winter 2025 batch, he co-founded Gatsby.js, an open-source React website framework that he scaled to $5 million in annual recurring revenue over an eight-year tenure. This enterprise was ultimately acquired by Netlify, building upon his foundational career experiences operating as an early-stage software engineer at prominent technology startups including Zenefits and Plangrid. A 2011 graduate of Stanford University, he has authored the technical guide Principles of Building AI Agents while cultivating an audience of nearly 25,000 LinkedIn followers. His professional background reflects a sustained focus on advancing open-source engineering best practices and developing robust infrastructure for both the JavaScript and TypeScript ecosystems.