He was previously the director of the Haredi Education Department in the Jerusalem Municipality, acting and deputy mayor of Beit Shemesh on behalf of the Degel HaTorah party.

He studied at the Tashbar Rekhasim Elementary School and Talmud Torah Torat Emet in Haifa and later at the Kfar Hasidim Yeshiva.

[1] Greenberg is a graduate of the Ono Academic College in law and holds a master's degree in public policy from the Hebrew University of Jerusalem.

Following the decision of then-mayor Danny Vaknin to fire the Haredi employees in the municipality,[citation needed] Greenberg was appointed parliamentary assistant to MK Moshe Gafni.

[3] In January 2020, Greenberg resigned from the Beit Shemesh City Council[4] and was appointed Director of the Haredi Education Department in the Jerusalem Municipality.