| Born | 14 April 1965, Tokyo, Japan |
| Employer | |
| Education | |
| Full name | Yukihiro 'Matz' Matsumoto |
| Known for | Creator and lead designer of Ruby |
| Occupation | Programmer • computer scientist |
| Philosophy | Pragmatic Ruby Philosophy |
| Notable creations | Ruby programming language • m-ruby |
| Philosophy characteristics | Practical problem-solving • Readable and concise code • Collaborative and open-minded approach |
