Harrison is the co-founder and CEO of LangChain, an open-source framework designed to help developers build applications powered by large language models (LLMs). With a background in machine learning and deep learning systems, Harrison previously worked at Robust Intelligence and Google. He launched LangChain in 2022 to simplify the creation of intelligent agents and context-aware applications, rapidly becoming a leading figure in the emerging AI tooling ecosystem. His work focuses on enabling more powerful, composable, and production-ready LLM applications.

Hamel is a machine learning engineer with over 20 years of experience. He has worked with innovative companies such as Airbnb and GitHub, which included early LLM research used by OpenAI, for code understanding. He has also led and contributed to numerous popular open-source machine-learning tools. Hamel is currently an independent consultant helping companies build AI products.