Avinoum Koswsky was born in Tel-Aviv in 1949.
Studied in "Rananim" Art High School and after in Bezalel art academy in Jerusalem and Avni School in Tel-Aviv.
From 1976 started teaching in "Machon Avni" and "Telma Yalin" art academy.
In 1978 Taught in "Bezalel" and In Bat Yam Art school.
In 1984 was sent by the Ministry of Education to Paris