Olga+Jozef is Dalo, now Loktibrada. One of the best known slovakian producers and DJs. U.Club/Subclub (Bratislava) resident DJ. He has been playing techno only as a DJ since 1993.

In 1998 he started his own record label, Olga+Jozef, and later Numb and Palicavonzvreca (PVC), with his brother Brano/Anti. Recorded also together with Toky aka Rumenige.