# Addy Osmani

> Addy Osmani is an Irish software engineer and engineering leader who spent nearly 14 years shaping the modern web at Google Chrome - leading the teams behind Lighthouse, Core Web Vitals, Chrome DevTools, Puppeteer, and PageSpeed Insights. Now Director at Google Cloud AI, he bridges Gemini, Vertex AI, and the Agent Development Kit for millions of developers worldwide. Author of multiple O'Reilly books and curator of the Elevate newsletter, Osmani's work has touched over 20 million developers and his open-source projects have become industry standards.

- **Role:** Director, Google Cloud AI
- **Organizations:** Google, Google Cloud AI
- **From:** Mullingar, Ireland
- **Nationality:** Irish
- **Education:** Secondary School, St. Finian's College, Bachelor's in Computer Science, Sheffield Hallam University, Master's in Computer Science by Research, University of Warwick, Post-graduate Certification, Design for Security, University of Oxford
- **Known for:** Won Esat BT Young Scientist of the Year (First Prize) at age 16, Irish Computer Society Excellence Award (2003), O'Reilly Web Platform Award (2014)

## Career timeline

- **2003** — Won Esat BT Young Scientist of the Year (First Prize) at age 16 with XWebs browser; received Irish Computer Society Excellence Award
- **2004-2010** — Contributing member of jQuery Bug Triage, API Documentation, and Core Teams; participated in Microsoft MVP and Imagine Cup
- **2008-2010** — Software engineer at Pixsta (image and video search)
- **2010-2012** — Senior JavaScript Engineer at AOL, driving UI engineering on advertising systems
- **2011** — Created TodoMVC - open-source framework comparison tool that became a community standard
- **2012** — Co-founded Yeoman project (web scaffolding tool with 9,000+ generator templates)
- **2012** — Joined Google on the Chrome team as individual engineer
- **2012** — Published 'Learning JavaScript Design Patterns' (O'Reilly)
- **2013** — Published 'Developing Backbone.js Applications' (O'Reilly)
- **2014** — Won O'Reilly Web Platform Award
- **2016** — Published 'Essential Image Optimization' (free web book with Smashing Magazine)
- **2018** — Published influential 'The Cost of JavaScript' series
- **2019** — Launched Workbox (service worker libraries, 10,000+ GitHub stars)
- **2020** — Won React Open Source Award ('Most Exciting Use of Technology' for Adaptive Hooks)
- **2021** — Led Core Web Vitals initiative - metrics now used by Google Search globally
- **2021** — Published 2nd edition of 'Learning JavaScript Design Patterns'
- **2022** — Chrome first browser to score 300 on Speedometer benchmark under his leadership
- **2022** — Published 'Leading Effective Engineering Teams' (O'Reilly)
- **2023** — Co-authored 'Learning Patterns' with Lydia Hallie (patterns.dev - 5M+ unique users)
- **2024** — Led Chrome DevTools AI Assistant panel with Gemini integration
- **2024** — Promoted to Senior Staff Engineering Manager, Chrome Developer Experience
- **2025** — Published 'Beyond Vibe Coding' and 'Building Web Apps with Bolt' (O'Reilly)
- **2025-2026** — Published 'Web Performance Engineering in the Age of AI' (O'Reilly)
- **2024-12** — Transitioned to Director, Google Cloud AI - focused on Gemini, Vertex AI, and Agent Development Kit

## Achievements

- Won Esat BT Young Scientist of the Year (First Prize) at age 16
- Irish Computer Society Excellence Award (2003)
- O'Reilly Web Platform Award (2014)
- React Open Source Award - 'Most Exciting Use of Technology' for Adaptive Hooks (2020)
- Led Chrome to first browser to score 300 on Speedometer benchmark (2022)
- Co-created Core Web Vitals - now used by Google Search for ranking
- Led Chrome DevTools to 40+ million active users
- Created Lighthouse - the gold standard for web performance auditing
- Created TodoMVC - open-source framework comparison with tens of thousands of GitHub stars
- Launched Workbox (10,000+ GitHub stars), Material Design Lite (32,000+ stars), Quicklink (11,000+ stars)
- Led Open-Source Stewardship Program funding Webpack, Rollup, Vite, Vue.js, Nuxt, Svelte, and Astro
- Generated $350M in value through Chrome DevEx work
- Performance case studies: Pinterest PWA (40% increase in time spent, 44% ad revenue lift), Twitter Lite (50% TTI reduction), Netflix (30% TTI improvement)
- Reached 20+ million developers through career writing and content
- 600,000+ followers across social media
- 200+ speaking engagements worldwide including Google I/O and Chrome Dev Summit

## Latest updates

- **2026-02** — Published 'How to Write a Good Spec for AI Agents' on O'Reilly Radar, introducing a spec-driven development framework for AI agents
- **2025-12** — Published 'Web Performance Engineering in the Age of AI' (O'Reilly) - latest book on web performance for AI-generated applications
- **2025-06** — Published 'Beyond Vibe Coding' and 'Building Web Apps with Bolt' (O'Reilly)
- **2024-12** — Transitioned from 14-year Chrome tenure to Director, Google Cloud AI - focusing on Gemini, Vertex AI, and ADK
- **2024-11** — Published 'The 70% Problem: Hard truths about AI-assisted coding' on Elevate Substack - sparked major industry conversation
- **2024-10** — Elevate newsletter surpassed 38,000+ subscribers with 600,000+ total social media followers

## Links

- Website: https://addyosmani.com/
- LinkedIn: https://www.linkedin.com/in/addyosmani/
- Twitter/X: https://twitter.com/addyosmani
- GitHub: https://github.com/addyosmani

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Profile page: https://yespress.io/addy-osmani
Published by YesPress — https://yespress.io
Last updated: 2026-04-22