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Alex Booker

Alex Booker

Developer Experience
Mastra
LinkedIn Profile

Biography

Alex Booker works on Developer Experience at Mastra, the open-source TypeScript AI agent framework built by the team behind Gatsby. Mastra, a Y Combinator W25 company, gives developers the primitives to build, evaluate, and deploy production AI agents, and Alex regularly teaches hands-on workshops on agent development with the framework. At AI Summit Barcelona 2026 he brings a builder's perspective on agent frameworks and developer tools.

Session

  • KeynoteAI For TechSpeaker

    Keynote 19 - Going beyond vibes with genuinely useful evals

    Tuesday 22 September, 13:20 – 13:40Auditorium Stage

    Move beyond gut checks with evaluations that measure what actually matters. Build reliable feedback loops to improve quality, catch regressions, and ship with confidence.

AI
SUMMIT BCN

Europe's most experiential AI event. 22-23 September 2026 at WTC Barcelona, during AI Week.

Also known as AISB. Follow the 2026 edition at #AISB26.

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