Yukihiro Matsumoto

, also known as Matz, is a Japanese computer scientist and software programmer. He is best known as the chief designer of the Ruby programming language and its original reference implementation, Matz's Ruby Interpreter (MRI).

, Matsumoto is the Chief Architect of Ruby at Heroku, an online cloud platform-as-a-service in San Francisco. He is a fellow of the Rakuten Institute of Technology, a research and development organization within Rakuten Group, Inc. He was appointed to the role of technical advisor for VASILY, Inc. starting in June 2014. Provided by Wikipedia