Building a listed tool
William Fu-Hinthorn
LangMem-associated founding engineer; current affiliation disputed, named behind the LangMem listing on Anchor Terminal.
What William builds
LangMem D · 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.
LangMem-associated founding engineer; current affiliation disputed, researched 27 October 2026 · the people behind it
Works with
- Ankush Gola Co-founder
- Harrison Chase Co-founder and CEO
- John Kennedy LangChain security engineer; recent LangMem dependency-maintenance contributor
Backed by
IVP Benchmark Sequoia Capital Amplify Partners CapitalG Sapphire Ventures ServiceNow Workday Cisco Investments Datadog Databricks Frontline Ventures
Questions
Who is William Fu-Hinthorn?
William Fu-Hinthorn is langMem-associated founding engineer; current affiliation disputed.
What does LangChain make?
Anchor Terminal lists LangMem from LangChain. 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.
Who has invested in LangChain?
The sources our research read name IVP, Benchmark, Sequoia Capital, Amplify Partners, CapitalG, Sapphire Ventures, ServiceNow, Workday, Cisco Investments, Datadog, Databricks and Frontline Ventures.
How are William's tools graded?
LangMem is graded D, 48.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (13)
- https://www.langchain.com/about
- https://www.linkedin.com/in/harrison-chase-961287118/
- https://www.linkedin.com/in/ankush-gola-77255866/
- https://github.com/hinthornw
- https://pypi.org/project/langmem/
- https://x.com/WHinthorn
- https://github.com/langchain-ai/langmem/commits/main/
- https://github.com/jkennedyvz
- https://www.langchain.com/
- https://www.langchain.com
- https://support.langchain.com/
- https://www.langchain.com/support-plans
- https://github.com/langchain-ai/langmem
These 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). 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.