I became the CTO and Director of ROUTE06 Inc.

A short announcement about being appointed CTO and Director of ROUTE06 Inc.

Books I Read to Gain 'Finance' Knowledge as an Engineer Turned Business Owner

Three books an engineer-turned-co-founder read to build a baseline in startup finance.

Books I read when an engineer became an executive to understand 'labor management'

Books an engineer-turned-co-founder read to understand back-office labor management.

Books I read when an engineer became an executive to understand 'legal affairs'

Books an engineer-turned-co-founder read to understand corporate legal affairs and contracts.

The CTO's Next Career — Why Unicorn Founders Move to AI Labs, and the 9-Step Exit That Makes It Possible

There are thousands of articles on how to start, fund, and scale a company, and almost none on how to leave one. Henry Shi, co-founder and CTO/COO of Super.com, wrote exactly that, then published the resignation process he spent nine months preparing as a 9-step playbook. His destination: Anthropic. His goal: safe AGI. Using this essay, I think through the question of a CTO's next career along three axes: the trend, the operator's value, and the design of a clean exit.

Participated in AWS CTO Night and Day 2023

A record of attending AWS CTO Night and Day 2023 in Fukuoka, with links to attendee recaps.

Participated in AWS CTO Night and Day 2024 in Kanazawa

A record and reflections from attending AWS CTO Night and Day 2024 in Kanazawa.

Reading The Great Engineering Leader Career Break Through Metabolism and a New CTO Role — A Response to Six of Pragmatic Engineer's Reasons

Pragmatic Engineer's Headed for the Exit dissects the wave of CTOs and VPEs stepping away from high-status roles into ten reasons. I largely agree that the reasons are real, but treat the choice to leave or stay as an individual life decision. Here is my response to six of those reasons, framed around organizational metabolism and a new CTO role that does HR for AI agents and humans.

Joined the Japan CTO Association as an Individual Member

About a year after being appointed CTO, I joined the Japan CTO Association as an individual member.

Product Development and People, Products, Money

A People / Products / Money framework for framing product development decisions and ADRs.

Published 'AI Utilization and the Democratization of Product Development' on ROUTE06 Tech Blog

As CTO of ROUTE06, I wrote about our AI-driven development initiatives from 2024 to 2025, and our outlook for 2026. Reflecting on the changes experienced through product development including Acsim, Liam ERD, and Giselle, and what will be required of engineers going forward.

Reference Books and Articles for Understanding Software Accounting

Books and articles I used to understand software accounting from an engineering-leader perspective.

Books Read by a Startup Engineer-CEO to Create a Business Plan

The books a startup engineer-CEO read to build a business plan from scratch.

Participated in Startup CTO Night & Day 2025 Powered by AWS

I participated in Startup CTO Night & Day 2025 Powered by AWS. This year, I had the opportunity to present at the 'Shikujiri! CTO Dojo' session, which was a great experience. While much of the content was off-the-record and cannot be shared in detail, I wrote this article as a record of my participation.