---
title: Takuya Oikawa — Technology Strategist & Product Advisor
lang: en
url: https://jalphant.net/index.en.md
html: https://jalphant.net/
updated: 2026-05-21
status: active
---
# Takuya Oikawa — 及川 卓也

CEO, Tably Inc.  
Technology Strategist · Product Advisor

For those who  
move the world  
with technology.

Built global products at Microsoft and Google. Now helping organizations transform product and engineering culture through Tably Inc.

## About

A Waseda University graduate who built global products and led engineering teams at DEC, Microsoft, and Google. His work earned national recognition, including a feature on NHK's acclaimed documentary series "The Professionals." Author of "Software First" (Nikkei BP) and co-author of "The Complete Guide to Product Management" (Shoeisha). In 2019 he founded Tably Inc., where he now advises organizations on digital transformation, product management, and engineering culture.

- 2019– — Tably Inc. — CEO & Founder — Technology strategy, product development & engineering org advisory

- 2017–2019 — Freelance — Product and engineering advisory for multiple companies

- 2015–2017 — Increments (Qiita) — Product Manager — Contributed to the growth of Qiita, an information sharing platform for engineers

- 2006–2015 — Google — Product Manager / Engineering Manager — Global product development and engineering management

- 1997–2006 — Microsoft — Software Engineer / Program Manager — Led development of Japanese and Korean editions of Windows

- –1997 — DEC (Digital Equipment Corporation) — Software Engineer — Software development and R&D

[All Books →](https://jalphant.net/books.en.md)

## Activity

- 2026 — SPM Spring Research Conference 2026 — プロジェクトマネジメント学会 / SPM — Keynote

- 2026 — TECH DRIVERS Day7 — Moderator: The Essence of Engineers Who Build with Conviction — TECH PLAY (Toyota / Nissan / Honda) — Panel

- [2026 — Qiita Conference 2026 — Redefining Value: New Rules for Proposals and Co-Creation in the AI Era — Qiita — Talk](https://qiita.com/official-campaigns/conference/2026)

[View all activity →](https://jalphant.net/activity.en.md)

## Projects

- [Product Ethics Check Tool — A self-assessment tool for ethical considerations in product development. — productethics.jp](https://productethics.jp)

- [Claude Code Context Lifecycle Simulator — An interactive simulator visualizing how CLAUDE.md, Skills, Subagents, and Hooks move through the context window. (Japanese) — jalphant.net/claude-code-context](https://jalphant.net/claude-code-context/)

- [Keynes's Prophecy, 100 Years Later — A report examining Keynes's 1930 predictions on technological unemployment against today's reality. (Japanese) — jalphant.net/keynes-2030](https://jalphant.net/keynes-2030.md)

- [Trusted AI Systems (METI Definition) — A structured report on the definition and practice of trusted AI based on Japan's AI Guidelines for Business. (Japanese) — jalphant.net/trusted-ai](https://jalphant.net/trusted-ai.md)

## Latest

### Upcoming

- [2026.09.09 — Newbee Conference 2026 — Show Collaboration: Ask Oikawa × Product Business Bootcamp — Newbee — Panel](https://2026.conference.newbee.media/)

### Hatena Blog

- [AIを活かしたいなら、人は切れない、かもしれない](https://takoratta.hatenablog.com/entry/ai-amplifier-radical-candor)

- [あなたのエージェントは、昨日と同じバグをまた踏んでいる〜Stack Overflow for Agentsとは何か](https://takoratta.hatenablog.com/entry/2026/06/17/183422)

- [「When AI builds itself」非公式FAQ ─ Anthropicが書いたこと、書いていないこと](https://takoratta.hatenablog.com/entry/anthropic-when-ai-builds-itself-faq)

[View all posts →](https://takoratta.hatenablog.com/)

### Media Columns

- [本当にAIは「何のために何を開発するか」に踏み込めない？ AIは私の根本的な見落としを指摘してきた（@IT）](https://atmarkit.itmedia.co.jp/ait/articles/2607/28/news012.html)

- [コードは大量に出力された、だが見合った"成果"は出ているのか（@IT）](https://atmarkit.itmedia.co.jp/ait/articles/2606/29/news016.html)

- [「安全性の旗手」は看板を下ろしたのか？AI時代、人間が最後に担うべき役割とは（ダイヤモンド）](https://diamond.jp/articles/-/391113)

[ダイヤモンド・オンライン ↗](https://diamond.jp/category/s-oikawa) [@IT ↗](https://atmarkit.itmedia.co.jp/ait/series/43923/)

### XCrossing Podcast

- [ep179 AIエージェントで構成された出版チームを深堀ってみた - 及川さんの新刊『プロダクト倫理』出版裏話その2](https://x-crossing.com/ep179.html)

- [ep178 AIエージェントチームで執筆し自前で書籍化 - 及川さんの新刊『プロダクト倫理』出版裏話](https://x-crossing.com/ep178.html)

- [ep177 ハッキング競技世界大会をゲーム風に可視化 − サイバー空間の攻防を「魅せる」システムの実装秘話](https://x-crossing.com/ep177.html)

[Listen to all episodes →](https://x-crossing.com/)

### Ask Oikawa Newbee

- [国が賭けるフィジカルAI戦略の死角 / 中国とどう戦う / 笛吹けど踊らず問題 / 製造業PMの役割](https://www.youtube.com/watch?v=hK4asnl73_s)

- [フィジカルAIで日本が勝つには？ / SIモデルの罠とデータ共有の壁 / セーフィー植松と語る現場の組織課題とAI戦略](https://www.youtube.com/watch?v=DLextoneKsA)

- [プロダクトマネジメント 行く年、来る年 2025（公開収録）](https://takoratta.hatenablog.com/entry/newbee20252026)

[View all episodes →](https://www.youtube.com/watch?v=DLextoneKsA&list=PLr5u6Dft0terycc0AqKeAtcpmRk4SVUlS)

### Inquiries

For speaking, advisory, press, or other inquiries, please reach out via LinkedIn.

[Contact via LinkedIn →](https://www.linkedin.com/in/takoratta/)

[X](https://x.com/takoratta) [Facebook](https://www.facebook.com/takoratta) [Instagram](https://www.instagram.com/takoratta) [LinkedIn](https://www.linkedin.com/in/takoratta/) [Blog](https://takoratta.hatenablog.com/) [YouTube](https://www.youtube.com/@TakuyaOikawa) [Tably](https://tably.rocks)

© 2026 Takuya Oikawa · [Tably Inc.](https://tably.rocks)

[jalphant.net](https://jalphant.net) Tokyo, Japan [All Books](https://jalphant.net/books.en.md) [Media Kit](https://jalphant.net/mediakit.en.md)
