Harrison Chase

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▸ LangChain: $25M Series A (Sequoia); LangSmith + LangSmith Fleet launched; leading LLM orchestration framework

Co-founder and CEO of LangChain. Built the definitive open-source framework that gave LLMs memory, tool-use, and agentic reasoning. The standard orchestration layer for AI agents — if a Web3 AI agent is executing a multi-step DeFi strategy or reading onchain data, it almost certainly runs on his architecture.

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LangChain● activeAI

Open-source framework for building LLM-powered agents and applications

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RECENT ACTIVITY

LangSmith launches to optimize and evaluate AI agents

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LangSmith Fleet connects to 8,000+ tools for no-code agents

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Builders Like This

Andrej Karpathy@karpathy

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Founder of Eureka Labs, former Director of AI and Autopilot Vision at Tesla, and founding member of OpenAI. Coined the term "vibe coding." Recently open-sourced AutoResearch — an agentic system that ran 700 ML experiments in 2 days autonomously, discovering 20 optimizations. One of the most influential AI researchers alive.

Ex-OpenAI Director of AI, Ex-Tesla AI Lead; EurekaLabs founder; $50M+ raised; 1M+ GitHub followers

Both building OSS tools on AI

Clem Delangue@ClementDelangue

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Co-founder of Hugging Face — the GitHub of machine learning. Built the open-source AI platform that hosts 1M+ models and serves 15,000+ companies. His platform democratized access to the models, datasets, and weights that Web3 developers rely on to build decentralized AI networks.

Hugging Face: $4.5B valuation, $235M Series D; 1M+ models hosted; 15,000+ companies

Both building OSS tools on AI

Kevin Owocki@owocki

Founder of Gitcoin — the decentralized platform for funding open source developers using quadratic funding. Distributed $50M+ in grants to Web3 builders and public goods projects. One of the most important builders in crypto public goods infrastructure. Also co-founded Supermodular, building regenerative cryptoeconomics tools.

$50M+ in grants distributed to open source builders

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Both building OSS tools