Gideon Abulafia was born in Neve Tzedek. He learned in the elementary school of "Kol Israel Chaverim", at the French high school in Jaffa, and in the "Herzliya" Hebrew high school. When his father died he started working as a clerk in the "Eretz Israeli" office in Petach Tikva and thanks to the money he transferred, he saved the family from starvation. At that time he used to receive secretly pigeons from his brother Rafael, a "Nili" member, and sent them to Alexandria with information he collected for the British.
In 1927-1923, he served as Deputy Treasurer of "Keren Hayesod" in England. With the transfer of the main offices of the Foundation to Jerusalem, he becam responsible for the registration and management of funds received from the Foundation's branches in the diaspora.
In the year 1935 he was commissioned by Pinchas Rutenberg to assume a role in the Electric Company's office in Haifa. With the establishment of the state of Israel, he undertook the role of the administrator in charge of the state's budget.
In 1956 he served as Assistant Deputy-General of the Finance Ministry. In this post he worked until his death.