Meet Jeeves: the AI butler that helps me organize my life
Jeeves reads my inbox, calendar, and the London weather, then turns them into one useful message every morning.
Agent mode
A structured guide to my work, writing, projects, and professional background. Everything here comes from the public website and links back to its canonical source.
Profile
Julio C. Othon
I work at Nettle, an early-stage AI company in London, where my role covers everything from building agents to developing and executing GTM strategy.
My professional background is weighted toward full-time operating roles at Nettle and Climate X, alongside a five-month attempt to build Atrie. Earlier internships are presented separately on the About page.
Canonical profile →Writing
Essays
Each essay has a canonical webpage for people and a clean Markdown edition for agents and other text-based tools.
Meet Arnold: the AI health coach I built for myself
Arnold helps me review my diet and training plans, stay on top of them, and adjust when real life gets in the way.
Carbon pricing, explained
How carbon pricing can help future generations by making us really pay for how much we consume.
Can Sustainable Finance Save Us from the Climate Crisis?
Why sustainable finance needs policy, disclosure, and accountability to direct capital toward a carbon-neutral future.
OpenClaw: a complete guide to building your personal AI agent: Setting up your server
What you are building, what it costs, and how to rent and secure the server that will run it.
OpenClaw: a complete guide to building your personal AI agent: Installing OpenClaw
Installing the software, configuring its environment, and getting the first deployment running.
OpenClaw: a complete guide to building your personal AI agent: Configuring your OpenClaw
Connecting the model, Telegram, Google services, and the other tools your agent needs.
OpenClaw: a complete guide to building your personal AI agent: Customizing your first agent
Giving the agent useful context, memory, routines, and boundaries around a problem you actually have.
Built work
Projects
Selected systems, agents, and company-building work.
Arnold
An AI health coach that combines plans, health data, calendar context, and a daily record of what actually happened.
Jeeves
A personal assistant that organizes my day and recommends things based on what it has learned about my taste.
Pulitzer
An editor that decides which newsletters, saved articles, and podcast episodes are worth my time, then turns them into sourced audio briefs.
Steve
A private career adviser that maintains a live plan and helps me think through important decisions.
Atrie
A five-month effort to build a decision engine that gave startups one reliable view of the company, helped them make better decisions, and eventually automated work across teams.
Structured access