Get certified - Transform your world of work today


Teppei Yamaguchi


Agile Coach & Software Consultant, Yahoo! JAPAN

Location: Tokyo, Japan


Certified Scrum Professional
Certified ScrumMaster
Certified Scrum Product Owner


Groups I belong to

Scrum Tokyo



Teppei YAMAGUCHI works for Yahoo! JAPAN as Agile Coach and in-house Software Consultant.

He has 20 years experience in development of embedded software, web/mobile applications, and acting in-house consultant role about agile software production and agile testing.

Teppei started "Agile Testing Book Club", discussion group about Agile and Testing in Japanese, on 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 2015-2017 : Executive Committee member 
       XP matsuri 2011-2017 : Executive Committee member 

Work experience

Yahoo Japan Corporation, Agile Coach / Software Consultant
February 2014 - Present, Chiyoda-ku, Tokyo, JP
In-house Agile Coach and Agile Testing Coach

Hitachi, Ltd., Researcher
April 2008 - January 2014, Yokohama-shi, Kanagawa, JP
Programmer and In-house Software Consultant / Apply Agile Methodologies for a embedded system development project on 2011-2014


Newsletter Sign-Up