Ruby-core committers, RubyKaja winners, and students can get a discount code. See below for details. RubyKaigi 2015 speakers do not have to register. ALL SALES ARE FINAL, NO REFUNDS. You can transfer your ticket to others at your own responsibility. This is the ticketing site for RubyKaigi 2015 Our official website: http://rubykaigi.org/2015 Latest news available on our official twitter account: @