His parents Yona and Zvi Kutner immigrated from Poland in the 1920s.
Moshe Gershuni was born in Tel Aviv in 1939 during the British Mandate for Palestine into a family of first generation Polish immigrants. He spent his childhood in Tel Aviv and graduated from the local religious high school in 1954. He has two siblings; a brother named Avshalom and a sister named Mira. Now he lives and works in Tel- Aviv.