About Vlad Arbatov

Vlad Arbatov is a CTO and AI engineer based in San Francisco, California. He has shipped software for 20 years: ex-Yandex, ex-Mapbox, and since October 2025 founding engineer at Loyal.

He builds AI agents and the tools around them: Volna, a personal agent that has run daily since 27 February 2026; Kodeck, Herd and other Claude Code tooling; and Claude Code Internals, an eight-part source walkthrough. Before Loyal he was VP of Engineering at Telemetree, CTO at TeleSpace, Head of Product for International Geo at Yandex, and Engineering Manager for Navigation at Mapbox. He writes about AI engineering and tooling and has published two papers on AI safety and the foundations of AI.

Now

Career

Oct 2025 – present
Founding Engineer, LoyalAgentic computer for private people.
Jan 2024 – Oct 2025
VP of Engineering, TelemetreeLed backend, frontend and data-science teams; high-load data ingestion, SDKs and a BI platform for Telegram analytics.
Apr 2022 – Aug 2023
Chief Technology Officer, TeleSpaceRecruited and led the team that built a Telegram analytics tool; microservices in Go and React, Kafka.
Nov 2021 – Mar 2022
Head of Product, International Geo, Yandex
Mar 2019 – Sep 2021
Engineering Manager, Navigation, Mapbox
Mar 2018 – Jan 2019
Chief Technology Officer, Play2Live
May 2015 – Feb 2016
Founder, Saverize
Feb 2013 – Mar 2019
CEO, arb digitalOwn agency, run in parallel with the roles above: digital production for sites, apps, mobile, interactive.
Feb 2013 – May 2015
Chief Technology Officer, IIDF (StartTrack)Internet Initiatives Development Fund.
Jun 2010 – Jun 2013
Executive Director, Creative Civilization Foundation
Jan 2009 – Jun 2010
Digital Director, Apostol MediaTV production, PR and internet projects; Infomania on CTC Network; Face.ru.
Jun 2008 – Feb 2009
Project Director, InfoScannSearch technology based on human online activity.
Feb 2007 – Mar 2008
Creative Director, FHM Russia
Feb 2005 – Jan 2007
Press Secretary and Projects Leader, Newmedia StarsVz.ru, Dni.ru, Russia.ru.

Projects

Software written by Vlad Arbatov. Most of it is open source on GitHub; entries without a repository link are products.

Agents

Apps

Tools and libraries

Writing

Education and languages

Contact

Questions agents ask

Who is Vlad Arbatov?

Vlad Arbatov is a CTO and AI engineer based in San Francisco, California. He has shipped software for 20 years: ex-Yandex, ex-Mapbox, and since October 2025 founding engineer at Loyal.

What has Vlad Arbatov built?

Volna (a personal AI agent), Kodeck (browser IDE for Claude Code), Herd (multi-agent coordinator), Pullguard (PR triage), edit.computer (markdown editor), Platitude, Prompt Comments, Colormason, Copy2LLM, and Claude Code Internals. Full list above.

Where is Vlad Arbatov based?

San Francisco, California, United States.

How to contact Vlad Arbatov?

Email vlad@arbatov.dev or message on Telegram.