| Born | Tokyo, Japan |
| Hobbies | Music • Art |
| Known for | Creating Ruby programming language • Supporting open-source software development • Growing the Ruby community |
| Alma mater | |
| Occupation | Software developer • Computer scientist |
| Affiliation | Creator of Ruby programming language community |
| Years active | 1990s – present |
| Other ventures | Developing skills at a previous company |
| Notable creations |
