Yuki Hattori (@yuhattor)

Staff Customer Success Architect at GitHub . President of InnerSource Commons Foundation. Technical Advisor at IPA (Ministry of Economy, Trade and Industry, Japan). Industry leader in AI-native development and open source strategy. Published author and keynote speaker.

Current Positions

Staff Customer Success Architect — GitHub (2023–Present)
Technical strategist in the Global Customer Success organization, covering APAC with a focus on Japan. Wearing both CSA and CSM hats, independently manages Japan’s top enterprise accounts — major SIers, telecom, and manufacturing conglomerates — driving GitHub Copilot adoption at scale through architectural guidance, executive engagement, and cross-regional strategic advisory.

President — InnerSource Commons Foundation (2022–Present)
President of the US-based 501(c)(3) non-profit foundation promoting InnerSource worldwide. Orchestrates InnerSource Summit and maintains InnerSource Patterns .

Technical Advisor — IPA (Information-technology Promotion Agency, Japan - Ministry of Economy, Trade and Industry) (2025–Present)
Strategic guidance on OSPO establishment, open source governance, and SBOM security compliance for Japanese enterprises.

Career History

GitHub (2023–Present)

• 2026–PresentStaff Customer Success Architect
• 2024–2025Senior Customer Success Architect
• 2023–2024Customer Success Architect

Microsoft Japan (2016–2023)

• 2021–2023Cloud Solution Architect — Application Development
• 2019–2021Azure Application Development Specialist
• 2019Program Manager — Azure DevOps, Redmond HQ
• 2017–2019Technology Solutions Professional — Application Development
• 2016–2017Cloud Solution Architect — Application Development

Education

Aoyama Gakuin University, Tokyo

• 2025Master, Business Administration — GPA: 4.0/4.0, Valedictorian(主席)
• 2016Bachelor, Business Administration, Minor in Statistics — GPA: 3.6/4.0

Publications

Book Publishment

• 2024Practical Guide to Generative AI for Software Developers Gihyo — Authored book on AI-powered development practices. IT Industry Bestseller, 3rd Printing.
• 2024DevOps Unleashed with Git and GitHub Packt EN — English-language book covering DevOps workflows, CI/CD, and collaboration with Git and GitHub.

Translation

• 2025개발자를 위한 생성형 AI 활용 가이드 (Practical Guide to Generative AI for Software Developers, Korean Edition) Gilbut KO — Korean translation of the Japanese bestseller on AI-powered software development practices.
• 2025Prompt Engineering for LLMs O'Reilly — Japanese translation. IT Industry Bestseller, 8th Printing.
• 2024Understanding the InnerSource Checklist O'Reilly — Japanese translation of the O'Reilly guide on evaluating and implementing InnerSource.
• 2023Getting Started With InnerSource O'Reilly — Japanese translation of the O'Reilly introduction to InnerSource practices.

Academia

• 2025InnerSource Circumplex Model arXiv JA EN — 211-page Master's thesis mapping cross-organizational developer collaboration patterns with insights from Japanese corporate experience.

Book Review, Technical Review & Contribution

• 2025Software Development Workstyle 2030 (Interview & Commentary) NTT Publishing — Featured interview and commentary on the future of software development in the AI era.
• 2025Learning Git and GitHub by Building, Breaking, and Fixing (Review) Shoeisha — Technical review for hands-on Git and GitHub learning guide.
• 2023Agile Practice Guidebook (Review) Shoeisha — Technical review for comprehensive agile development methodology guidebook.

Conference Speaking

Some links are external and may no longer be available.

• 2026/02Regional Scrum Gathering Tokyo 2026 — Beyond Budgeting Dialogue EN
• 2025/11GitHub Universe Recap 2025 Keynote YouTube
• 2025/11InnerSource Summit 2025 Keynote EN 500+ YouTube
• 2025/10Findy — AI時代のコーディングとコードレビューのこれから 350+
• 2025/10Japan IT Week — Special Interview Session 200+
• 2025/10Design Solution Forum 50+
• 2025/09Software Quality Symposium 270+
• 2025/09InnerSource Gathering EN 80+
• 2025/08DXPO Conference 140+
• 2025/07Developers Summit 2025 Summer — AI-Driven Development with Agents 120+
• 2025/06AI Study Session with Microsoft 1,100+
• 2025/04Meet with Dance Cooper — InnerSource Meetup EN 50+
• 2025/04The forefront of "co-creation" enabled by InnerSource 80+
• 2025/03AI-Driven Development Meetup #6 1,800+
• 2025/02Developers Summit 2025 100+
• 2024/11InnerSource Summit 2024 EN 200+
• 2024/11Generative AI Trends Overview 60+
• 2024/11AI First × AI Powered Development 40+
• 2024/11Python Study Group #110 70+
• 2024/11What Happens to Code Quality? Optimal Collaboration with Generative AI 620+
• 2024/11Platform × AI Powered Development 70+
• 2024/11Tomorrow's Development Conference 2024 30+
• 2024/11VS Code Meetup #32 — VS Code x Copilot 220+
• 2024/11Software Quality × AI Powered Development 360+
• 2024/11InnerSource Gathering Tokyo 2024 Autumn EN 40+
• 2024/10Open Source Summit 2024 EN 50+
• 2024/10Development Productivity × AI Powered Development 100+
• 2024/10Development Health Meetup — GitHub × Postman × Atlassian 110+
• 2024/10Agile × AI Powered Development 70+
• 2024/10Good Code / Bad Code × AI Powered Development 280+
• 2024/10Givery AI Events 170+
• 2024/10World-Class × AI Powered Development 140+
• 2024/10AI Powered Development — Practical Guide to Generative AI 450+
• 2024/09Software Quality Symposium 2024 Keynote 700+
• 2024/09GitHub Copilot LT Meetup 60+
• 2024/09AI-Driven Development Meetup #3 760+
• 2024/08InnerSource Gathering Tokyo 2024 EN Keynote 70+
• 2024/07Developers Summit 2024 Keynote 130+
• 2024/06Developer Productivity Conference 100+
• 2024/05AI-Driven Development Meetup #2 400+
• 2024/02AI-Driven Development Meetup #1 450+
• 2024/01Regional Scrum Gathering Tokyo 2024 — Bringing Open-Source Brilliance to Scrum Teams EN
• 2023/11InnerSource Summit 2023 EN YouTube
• 2022/12DevSecOps with GitHub and Microsoft Azure YouTube
• 2022/11InnerSource Summit 2022 EN YouTube
• 2022/10XP Festival 2022
• 2022/09Microsoft & GitHub DevOps Day 2022 YouTube Keynote 700+
• 2022/05Microsoft Build Japan YouTube Keynote
• 2022/04Day One – CTO/VPoE Conference 2022 YouTube
• 2022/02Microsoft Developer Days YouTube
• 2021/09CI/CD Conference 2021 by CloudNative Days YouTube
• 2021/08GitHub Codespaces Launch Event
• 2021/03GitHub Enterprise Summit
• 2021/02Developers Summit 2021
• 2020/06Microsoft de:code 2020
• 2020/02Developers Summit 2020
• 2019/12Microsoft Ignite The Tour 2019
• 2019/10CEDEC 2019
• 2018/11Microsoft Tech Summit 2018 YouTube
• 2018/05Microsoft de:code 2018
• 2017/11Microsoft Azure 徹底活用フェス

Interview Articles & Media

• 2025/06How Engineers Can Effectively Work with Generative AI Codezine
• 2025/06InnerSource approach to internal OSS activities Nikkei xTECH
• 2025/05What Remains Unchanged About the "Essence of Engineering" in the Age of AI Agents? Codezine
• 2024/12Code × AI Event Special Feature Findy
• 2024/12GitHub Universe 2024 Recap in ZOZO Zozo
• 2024/11What Skills Are Needed in an Era Where AI Writes Code? YouTrust
• 2024/04Generative AI-Native Development as Seen in GitHub Copilot Codezine
• 2022/08AI Source Code Auto-Generation — Services Emerging but Trust with Caution Nikkei xTECH
• 2021/11VS 2022 × GitHub Codespaces × Azure Developer Ecosystem Qiita
• 2021/10CI/CD Conference 2021 — Microsoft and GitHub Integration Think IT
• 2021/10Legacy Dev Teams Reaching Cloud-Native Development Environments ITmedia
• 2021/043 Key Points for Efficient Remote Development @IT
• 2021/03InnerSource Practices at Microsoft with GitHub Codezine
• 2020/04DX and Developer Tools for 2025's IT Talent Shortage @IT
• 2020/04Behind the Scenes of GitHub and Microsoft Releasing Features Codezine
• 2020/02Future Work Styles through Azure Collaboration Think IT
• 2018/12Migrating On-Prem LAMP to Azure PaaS ASCII
• 2017/12Microsoft Azure 徹底活用フェス@渋谷 EnterpriseZine
• 2016/11Why "Log Analysis" Matters in the Cloud Era @IT

Blog Posts

• 2025/10The Magic of InnerSource: 25 Years of Revolution EN
• 2025/08What It Means to Define InnerSource EN JA
• 2025/08InnerSource is a Lie — A Response to Common Misconceptions EN JA
• 2025/08Platform Engineering and InnerSource EN JA
• 2025/08Do It in Open Source Way — InnerSource in the AI Era EN JA
• 2025/01The Future Accelerated by AI × Platform Engineering
• 2025/01The Reality of Engineer Productivity Boosted by AI
• 2024/12Next-Generation Development with AI × Mob Programming
• 2025/05Why This Book Now? What "Build Your Future with Open Source" Teaches Us Medium
• 2019/04Don't Over-Trust CORS Medium
• 2019/04Are You Doing DevSecOps? Medium
• 2019/03How Microsoft Applied Agile Principles to Teams Medium
• 2019/03What is DevOps Medium
• 2019/03Microsoft's Journey to DevOps Medium
• 2018/10Microsoft Ignite 2018 Azure Updates Summary & Full Translation Qiita
• 2016/10Understanding Serverless Architecture with Azure Functions Qiita
• And more — Translated 1,100+ official Azure Updates into Japanese for the developer community before official localization was available.

Open Source & Community

• Copilot Patterns — Best practices for GitHub Copilot (364 stars) EN
• InnerSource Patterns — InnerSource best practices, maintainer (831 stars) EN
• InnerSource Commons Japan — Founder
• NoOps Community — Lead (1,600+ members)