Zorba opposed the Greek junta as an activist in the Patriotic Anti-dictatorship Front (PAM) and the Greek-European Youth Movement (EKIN), and contributed to the first issue of Anti magazine.
[2] After the end of the dictatorship, Zorba was a member of KKE Interior), the Greek Left (EAR), and the Politeia movement.
From 1995 to 1999 she was the first director of the National Book Center of Greece (EKEVI).
In 2004, she founded the non-governmental organization Network for Children’s Rights.
From August 2018 to July 2019 she served as Minister of Culture in the SYRIZA-ANEL coalition government.