Nuno F. Campos is Co-Founder at Witan Labs, an AI-driven platform building automation for spreadsheet workflows, bringing end-to-end data preparation, analysis, forecasting, financial modelling, and visualisation directly into LLMs.

Nuno holds a Master's degree in Finance and a Bachelor's in Business Administration from Nova School of Business and Economics, and brings over a decade of experience as a Python and JavaScript software engineer, architect, and open-source maintainer.

As a Founding Engineer at LangChain, Nuno was instrumental in shaping LangGraph and co-authored the O'Reilly book "Learning LangChain," a definitive guide to building production-ready AI applications.

Prior to Witan Labs, Nuno served as Founding Engineer at LangChain, co-founded Boringbits, and held engineering roles at YLD and James (formerly CrowdProcess), building a strong foundation across AI, data science, and software engineering.

Witan Labs is backed by Angular Ventures and Positive Sum, and Nuno's open-source contributions to LangGraph have been widely adopted, with his work helping boost serialization performance by 1.7x across the ecosystem.