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Learning. Building. Writing.
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Learning. Building. Writing.
5.1k followers · 87 following

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Achievements

Achievement: Public SponsorAchievement: YOLOAchievement: QuickdrawAchievement: Pull Sharkx3Achievement: Starstruckx4Achievement: Arctic Code Vault Contributor

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eugeneyan/README.md

👋 Hi, I'm Eugene Yan

I build recommendation systems and AI-powered experiences that serve customers at scale. Currently, I'm a Principal Applied Scientist at Amazon. Outside of work, I also...

  • Write, speak, and prototype on ideas in machine learning, RecSys, and LLMs.
  • Teach how to apply ML/LLMs effectively at ApplyingML.com & Applied-LLMs.org.
  • Send a newsletter about data, ML, and what I'm learning to 10,000+ subscribers.
  • In 2026 I'm learning: LLMs for security, memory and retrieval, human-agent collaboration.
  • Fun fact: I don't use the QWERTY keyboard (I use Dvorak instead).

📝 Recent Writing

View the archives (212 posts) @ eugeneyan.com.

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  1. applied-ml applied-ml Public

    📚 Papers & tech blogs by companies sharing their work on data science & machine learning in production.

    29.9k 4k

  2. ml-design-docs ml-design-docs Public

    📝 Design doc template & examples for machine learning systems (requirements, methodology, implementation, etc.)

    706 120

  3. obsidian-copilot obsidian-copilot Public

    🤖 A prototype assistant for writing and thinking

    Python 562 40

  4. news-agents news-agents Public

    📰 Building News Agents to Summarize News with MCP, Q, and tmux

    Python 319 38

  5. testing-ml testing-ml Public

    🔍 Minimal examples of machine learning tests for implementation, behaviour, and performance.

    Python 271 58

  6. semantic-ids-llm semantic-ids-llm Public

    Semantic IDs: How to train an LLM-Recommender Hybrid with steerability and reasoning on recommendations.

    Jupyter Notebook 127 31