Julio C. Othon

Julio C. Othon is an independent writer and builder working at an early-stage AI company in London. Originally from Brazil, he has spent most of his career with early-stage technology companies, taking on a broad operating role that spans building AI agents and developing and executing go-to-market strategy. Through essays and projects, Othon shares what he is learning, explores ideas in depth, and documents tools he has built.

His writing covers practical applications of AI, startup operations, sales and buying processes, personal productivity, and topics such as carbon pricing and sustainable finance. His projects include Argus and Iris, Slack-based agents for prospect research, outreach preparation, and campaign monitoring; Project OS, a personal AI system designed to carry context and decisions across conversations; and Atrie, a company brain that connects business data to support decisions and automate work. He has also built personal AI tools for organizing daily life and supporting health and training routines, and published a guide to creating a personal AI agent.