Until now Giovanidis has directed 33 plays, he has translated 14 more plays to Greek and he has made 6 adaptations of books for theatre. Moreover, he directed the medal ceremonies of the Athens Olympics and Paralympics Games in 2004 and the opening ceremony for the 2007 World Rhythmic Gymnastics Championships in Patras. He has instructed drama and improvisation-classes at the Drama School of National Theatre of Northern Greece.