Hi, I'm Mayo Oshin. I'm an AI and data technologist. Here's a brief overview of my bio:

• Author: I co-wrote Learning LangChain (O'Reilly Media, 2025) with Nuno Campos. It has also been published in Japanese. (Get the book)
• Open source: I was an early contributor to LangChain, one of the most widely used frameworks for building AI applications, and I'm a LangChain Ambassador. I built an open-source app for analysing documents with AI that has 16,500+ GitHub stars. (Code · Video)
• Training & advisory: I ran AI training programmes and one-to-one consulting. Participants included professionals from Amazon, BCG, Visa, LinkedIn, and Evercore.
• Investing: I'm an angel investor in various AI startups, including Firecrawl, the Y Combinator-backed web-data platform for AI agents.
• Writing: Writer on habits and productivity. Featured in Business Insider, Quartz, and more (Essays)
• Speaking: Speaker and panelist at various major conferences including Private Markets European Summit, DataFest Africa, ACM TechTalk, LangChain meetup, London, and more.