•  

Akira Yumiyama

Akira Yumiyama recently attended

  1. RubyKaigi 2014

    Japan Japan, Tokyo

    18th20th September 2014

    Akira Yumiyama attended

  2. RubyKaigi 2013

    Japan Japan, Tokyo

    30th May to 1st June 2013

    Akira Yumiyama attended

2 events attended

Browse by year

2014 · 2013