He graduated from Kobe Higher Commercial School in 1924.
Teizo Toba served with Shanghai, New York, Dairen (Talien), London and Shinkyo (Hsinking) branches of Mitsui Bussan Kaisha (Mitsui & Company) and then became managing director of Tariku Kagaku Kogyo Kaisha (Contmental Chemical Industry Company) in 1942. Appointed managing director of the Toho Bussan Kaisha (Toho Product Company) in 1947. Held additional post of director of Tokyo Lawn Tennis Club. Visited U.S.A. as Davis Cup tennis player.