Finnish demo scene musician. In spite of having no formal training, he has won numerous awards for his music, including winning the Assembly music competition in 1993, 1995 and 2002. His most recent project is with Remedy Entertainment as an animator, sound designer and graphic artist. Prior to working with Remedy, Hajba has been credited on games developed by 3D Realms, Epic Games and Housemarque.
Hajba was a member of the widely popular but now defunct demoscene group, Future Crew, which produced some highly acclaimed demos during the 1990s.