# Yoshi Yamaguchi

> Source: https://www.ymotongpoo.com/


# Yoshi Yamaguchi

<img src="/images/yoshifumi_1200x1200.png" alt="Profile photo of Yoshi Yamaguchi" width="200" class="align-right">

* **Location:** Yamanashi or Tokyo, Japan
* **Email:** yoshi.yamaguchi@ymotongpoo.com
* **LinkedIn:** [linkedin.com/in/ymotongpoo](https://linkedin.com/in/ymotongpoo)
* **GitHub:** [github.com/ymotongpoo](https://github.com/ymotongpoo)
* **X (Twitter):** [x.com/ymotongpoo](https://x.com/ymotongpoo)
* **zenn.dev:** [zenn.dev/ymotongpoo](https://zenn.dev/ymotongpoo)
* **Speaker Deck:** [speakerdeck.com/ymotongpoo](https://speakerdeck.com/ymotongpoo)

## Summary

Staff Developer Advocate at Grafana Labs with expertise in Observability and SRE.
Over 15 years of experience in developing backend software, practicing SRE in action,
leading and supporting developer communities in Japan. Proficient in technical book
translations with a handful of publications of Go, observability and SRE related books.

See [About](/about/) for biography, publications, talk history and more.

## Professional Experience

### Staff Developer Advocate
**Grafana Labs** – Tokyo, Japan
*April 2026 – Present*

1. Advocacy of Grafana OSS and Grafana Cloud product suite in Japan
1. Focus areas: Observability, SRE and DevOps practices
1. Supporting OpenTelemetry and observability related OSS communities

### Senior Developer Advocate
**Amazon Web Services** – Tokyo, Japan
*November 2024 – March 2026*

1. Led advocacy in Japan of open source technologies and AWS products
1. Championed AWS community support (JAWS-UG)
1. Led an internal technical community in Japan on observability

### Senior Developer Relations Engineer
**Google Cloud** – Tokyo, Japan
*July 2018 – October 2024*

1. Led the advocacy of Observability and SRE from Google Cloud and played the role of
   specialist of Google Cloud Operations suite (formerly Stackdriver). Led the community
   work in Go Conference (since 2012), OpenCensus and OpenTelemetry (since 2018) in Japan.

### Senior Partner Developer Advocate
**Google** – Tokyo, Japan
*October 2013 – July 2018*

1. Led the integrations of Google's latest products and features in Japan; Android's new
   features in the major applications, Accelerated Mobile Pages, Progressive Web Apps,
   Chromecast, Google Photos, Android Wear, Google Assistant and YouTube.
1. Drove customer feedback programs and provided significant impacts to the improvement
   of newly launched features with product teams.

### Technical Account Manager
**Google** – Tokyo, Japan
*April 2011 – October 2013*

1. Led large partner onboarding to YouTube partnership program and built reference file
   ingestion pipeline system to increase the ingestion of reference files.
1. Built data analytics dashboard for business development team and led monthly reporting
   system for greenfield opportunities.

### Staff Consultant
**Oracle** – Tokyo, Japan
*April 2008 – April 2011*

1. In charge of testing infrastructure for 10+ package integration scenario developments
   and developed automation system for environment setup.
1. Contributed to 3 customer system integration projects as Oracle SOA suite expert and
   enabled engineers at partner companies representing the organization.

## Education

**Master of Mechano-Informatics in Engineering**
The University of Tokyo – Tokyo, Japan
*Graduated: March 2008*

**Bachelor of Mechano-Informatics in Engineering**
The University of Tokyo – Tokyo, Japan
*Graduated: March 2006*

## Publications

See the full list with cover images in [About](/about/#著書訳書).

* [OpenTelemetryではじめるテレメトリーサンプリング](https://gihyo.jp/book/2026/978-4-297-15813-2) (August 31st, 2026, 技術評論社) — Author
* [入門 OpenTelemetry](https://www.oreilly.co.jp/books/9784814401024/) (January 23rd, 2025, O'Reilly Japan)
* [SREをはじめよう](https://www.oreilly.co.jp/books/9784814400904/) (October 8th, 2024, O'Reilly Japan)
* [効率的なGo](https://www.oreilly.co.jp/books/9784814400539/) (February 24th, 2024, O'Reilly Japan)
* [実践プロパティベーステスト ― PropErとErlang/Elixirではじめよう](https://www.lambdanote.com/collections/proper-erlang-elixir/products/proper) (November 1st, 2023, Lambda Note)
* [SLO サービスレベル目標](https://www.oreilly.co.jp/books/9784814400348/) (July 11th, 2023, O'Reilly Japan)
* [オブザーバビリティ・エンジニアリング](https://www.oreilly.co.jp/books/9784814400126/) (January 27th, 2023, O'Reilly Japan)
* [SREの探求](https://www.oreilly.co.jp/books/9784873119618/) (September 3rd, 2021, O'Reilly Japan)
* [Go言語による並行処理](https://www.oreilly.co.jp/books/9784873118468/) (October 26th, 2018, O'Reilly Japan)
* [すごいErlangゆかいに学ぼう！](/works/lyse-ja/) (July 3rd, 2014, Ohmsha Ltd.)
* [Java開発者のための関数プログラミング](https://www.oreilly.co.jp/books/9784873115405/) (June 20th, 2012, O'Reilly Japan)

## Open source activities

* OpenTelemetry 
  * Documentation SIG triager
  * Japanese document localization SIG maintainer/approver
  * End User SIG member
  * Semantic Convention: Service and Deployment SIG member
* OpenCensus
* Go

## Certifications

* AWS Certified Solutions Architect Associate (2025)
* 2nd grade Certified Skilled Professional of Financial Planning (2018)

## Languages

1. **Japanese:** Native
1. **English:** Bilingual proficiency
1. **Spanish:** Intermediate proficiency
1. **Chinese:** Elementary proficiency