RubyKaigi Speakers

Source

Year	Name	Title
2006	Yugui	なぜブロックは素晴らしいか -- RubyがLispでない理由
2008	Yugui	Rails Development with RSpec, a Case Study
2009	Yugui	Road map for Ruby 1.9.2
2010	Yugui	Ruby 1.9.2 is released! / Ruby committers Q & A