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  "markdown": "Co-founder and CEO.\n\nHarrison Chase is co-founder and CEO of LangChain, which began as his open-source side project in late 2022 and became a company with Ankush Gola in early 2023. He was previously a machine learning engineer at Kensho Technologies and worked on testing and validating ML models at Robust Intelligence.\n\n- LinkedIn: https://www.linkedin.com/in/harrison-chase-961287118/\n\n## What Harrison builds\n\n- [LangGraph](https://www.anchorterminal.com/tools/langgraph.md), graded BB, 70.8/100, in Agent frameworks \u0026 SDKs. Low-level runtime for long-running, stateful agent graphs with checkpointed persistence, human-in-the-loop, memory and streaming. Co-founder and CEO, researched 2026-10-26.\n- [LangMem](https://www.anchorterminal.com/tools/langmem.md), graded D, 48.3/100, in Agent memory. LangMem is LangChain's open-source Python library for long-term agent memory. It extracts facts from conversations with an LLM, stores and searches them in a LangGraph store the owner runs, and includes two memory tools, message summarisation and prompt optimisation. Co-founder and CEO, researched 2026-10-27.\n- [LangSmith API + MCP](https://www.anchorterminal.com/tools/langsmith.md), graded BB, 71.3/100, in Agent observability \u0026 evals. LangChain's hosted tracing, evaluation, prompt hub and dataset platform, framework-agnostic with Python and TypeScript SDKs and OpenTelemetry ingest. Co-founder and CEO, researched 2026-10-26.\n\n## Works with\n\n- [Ankush Gola](https://www.anchorterminal.com/people/ankush-gola/), Co-founder\n- [John Kennedy](https://www.anchorterminal.com/people/john-kennedy/), LangChain security engineer; recent LangMem dependency-maintenance contributor\n- [William Fu-Hinthorn](https://www.anchorterminal.com/people/william-fu-hinthorn/), LangMem-associated founding engineer; current affiliation disputed\n\n## Backed by\n\n- [IVP](https://www.anchorterminal.com/investors/ivp/)\n- [Benchmark](https://www.anchorterminal.com/investors/benchmark/)\n- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)\n- [Amplify Partners](https://www.anchorterminal.com/investors/amplify-partners/)\n- [CapitalG](https://www.anchorterminal.com/investors/capitalg/)\n- [Sapphire Ventures](https://www.anchorterminal.com/investors/sapphire-ventures/)\n- [ServiceNow](https://www.anchorterminal.com/investors/servicenow/)\n- [Workday](https://www.anchorterminal.com/investors/workday/)\n- [Cisco Investments](https://www.anchorterminal.com/investors/cisco-investments/)\n- [Datadog](https://www.anchorterminal.com/investors/datadog/)\n- [Databricks](https://www.anchorterminal.com/investors/databricks/)\n- [Frontline Ventures](https://www.anchorterminal.com/investors/frontline-ventures/)\n\n## Questions\n\n### Who is Harrison Chase?\n\nHarrison Chase is co-founder and CEO of LangChain, which began as his open-source side project in late 2022 and became a company with Ankush Gola in early 2023. He was previously a machine learning engineer at Kensho Technologies and worked on testing and validating ML models at Robust Intelligence.\n\n### What does LangChain make?\n\nAnchor Terminal lists LangGraph, LangMem and LangSmith API + MCP from LangChain. Low-level runtime for long-running, stateful agent graphs with checkpointed persistence, human-in-the-loop, memory and streaming.\n\n### Who has invested in LangChain?\n\nThe sources our research read name IVP, Benchmark, Sequoia Capital, Amplify Partners, CapitalG, Sapphire Ventures, ServiceNow, Workday, Cisco Investments, Datadog, Databricks and Frontline Ventures.\n\n### How are Harrison's tools graded?\n\nLangGraph is graded BB, 70.8 out of 100; LangMem is graded D, 48.3 out of 100; LangSmith API + MCP is graded BB, 71.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://www.langchain.com/about\n- https://www.linkedin.com/in/harrison-chase-961287118/\n- https://www.linkedin.com/in/ankush-gola-77255866/\n- https://www.langchain.com/\n- https://support.langchain.com/\n- https://www.langchain.com/support-plans\n- https://github.com/hinthornw\n- https://pypi.org/project/langmem/\n- https://x.com/WHinthorn\n- https://github.com/langchain-ai/langmem/commits/main/\n- https://github.com/jkennedyvz\n- https://www.langchain.com\n- https://github.com/langchain-ai/langmem\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
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