After being rejected from the Krakow Theatre School, he worked as an assistant and collaborator of set designer Małgorzata Szczęśniak at Warsaw's Rozmaitości Theatre.
In 1999 Hadari relocated to Poland and began MFA studies at the Faculty of Drama Directing of The Ludwik Solski Academy for the Dramatic Arts in Cracow (Państwowa Wyższa Szkoła Teatralna im. Ludwika Solskiego w Krakowie), where he worked with Krzysztof Globisz, Andrzej Wajda and Krystian Lupa.