
Yukihiro Matsumoto
Yukihiro “Matz” Matsumoto is the creator of Ruby programming language. He started development of Ruby in 1993. Now he works for Heroku which has sponsored Ruby development since 2011. He also serves as a chairman at Ruby Association, a non-profit organization for supporting Ruby.
Baruco 2013
Baruco 2014
Full Stack Fest 2015