OLIVER Group win O2 Czech Republic account and hires O2 Chief Creative Officer Milan Semelak

OLIVER Group, the in-house agency specialist, has been appointed to handle the creative offering for O2 Czech Republic. The win is accompanied by the hire of O2 creative firepower, Milan Semelak, to drive OLIVER Group’s ambitious growth plans within Central Europe. OLIVER will take overall responsibility of O2 Czech Republic’s existing in-house creative team, including […]