Teppei Yamaguchi
Tokyo, Japan
My credentials

Certified Scrum Professional® - ScrumMaster

Certified Scrum Professional® - Product Owner

Certified ScrumMaster®

Certified Scrum Product Owner®
About
Teppei YAMAGUCHI works for LayerX as QA Engineer and Software Engineer.
He has 20 years experience in development of embedded software, web/mobile applications, and acting in-house consultant role about agile software development and agile testing.
Teppei continue "Agile Testing Book Club", discussion group about Agile and Testing in Japanese, since Dec, 2010.
He have been organizing these Scrum-related conferences in Japan.
Scrum Gatheirng Tokyo 2011 : Program member
Scrum Alliance Regional Gathering 2014 : Executive Committee member
Regional Scrum Gathering Tokyo 2015-current: Executive Committee member
XP Matsuri 2011-current: Executive Committee member
Experience and services
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Career history
- 2023-09-16 - present - LayerX Inc. (QA Engineer and Software Engineer)
- 2008-04-01 - 2014-01-31 - Hitachi, Ltd. (Researcher)
- 2014-02-01 - 2019-06-16 - Yahoo Japan Corporation (Agile Coach / Software Consultant)
- 2019-06-17 - 2023-09-15 - freee K.K. (Software Engineer in Quality and Testing, Agile Coach)