Harrison Chase
☑️
Co-founder and CEO, LangChain
Harrison Chase is the co-founder and CEO of LangChain, the open-source framework company behind the tools most developers reach for when building LLM applications and AI agents. He started LangChain as a personal side project in late 2022; it became one of the fastest-growing open-source projects in AI history.
The company's products - the LangChain framework, LangGraph for agent orchestration, LangSmith for observability, and Deep Agents - now underpin production AI systems at companies including Cisco, Klarna and LinkedIn. LangChain raised $125 million in October 2025 at a $1.25 billion valuation.
Before LangChain, Chase led the machine learning team at Robust Intelligence and the entity-linking team at fintech startup Kensho. He studied statistics and computer science at Harvard.
The company's products - the LangChain framework, LangGraph for agent orchestration, LangSmith for observability, and Deep Agents - now underpin production AI systems at companies including Cisco, Klarna and LinkedIn. LangChain raised $125 million in October 2025 at a $1.25 billion valuation.
Before LangChain, Chase led the machine learning team at Robust Intelligence and the entity-linking team at fintech startup Kensho. He studied statistics and computer science at Harvard.
Background & Achievements
Education
Harvard University (statistics and computer science)
Key Achievements
- 🏆 Created LangChain (2022), one of the fastest-growing open-source AI projects
- 🏆 Raised $125M Series B at $1.25B valuation (Oct 2025)
- 🏆 Launched LangGraph, LangSmith and Deep Agents agent platform
Expertise
AI agents
LLM application frameworks
RAG
agent orchestration
developer tools