After graduating from Kwansei Gakuin University, Saito retired playing career and want to England and studied football at University of Bristol. In 1933, he joined Osaka Mainichi Shimbun and he was engaged in the management and reporting of All Japan High School Soccer Tournament until 1940. After that, he worked at Hino Motors and some affiliates until 1989. He also served as the president at some Hino Motors affiliates.