Yukihiro Matsumoto

Yukihiro Matsumoto, also known as Matz, is a Japanese computer programmer and the creator of the Ruby programming language. He is also the founder of RubyGems, the package manager for Ruby. Matsumoto has been involved in the development of Ruby for over two decades and has written several books on the subject. He is widely recognized as one of the most influential programmers of his generation. Outside of his work on Ruby, Matsumoto enjoys playing the guitar and practicing martial arts.