Elitzur Paiss was born in Rishon Lezion. He learned in the primary school ("Chaviv") in the settlement and further on continued his education in Kibbutz Ramat Yochanan. At the outbreak of the Independence War, he returned to Rishon and attended a vocational school "Montefiori" in Tel Aviv. He was an engineer by profession, a graduate of the Technion in Haifa.
As an activist in the youth movement "Hanoar Haoved Vehalomed" he joined the nucleus which constituted a supplement to the Kibbutz Erez on the Gaza border.
He worked as a mechanical engineer and as a manager in a marketing company.