People/calcsam
Sam Bhagwat

Sam Bhagwat

foundermakerEngineeringYC
Specializes inDeveloper Tools

Software Engineer

Founder/CEO of Mastra. Spent last ~8yrs as cofounder of Gatsby.js, an open-source React website framework, scaled to $5M ARR, sold to Netlify. Eng <20 at Zenefits (W13) and Plangrid (W12). Spent two years knocking doors. Stanford '11.

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4
products
Products · 3
Mastra
Mastra
Founder

Mastra is an open-source framework for developing AI agents with TypeScript and JavaScript.

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Mastra 1.0
maker

Build AI agents with a modern TypeScript stack

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Mastra Code
maker

The AI coding agent that never compacts

Worked alongside
Abhi AiyerShane ThomasAlex BookerfmerianTony KovanenSam Bhagwat
Roles are derived from products, launches and repositories we track — not from self-description.