Background
Koido, Masahiko was born on July 25, 1939 in Tomioka-shi, Gumma, Japan.
Koido, Masahiko was born on July 25, 1939 in Tomioka-shi, Gumma, Japan.
Bachelor in Law, Tokyo University, 1963.
General manager public affairs department, The Sumitomo Bank Ltd., Tokyo, 1982-1988; director, general manager international planning department, The Sumitomo Bank Ltd., Tokyo, 1988-1990; director, general manager London branch, The Sumitomo Bank Ltd., 1990-1991; managing director, general manager, The Sumitomo Bank Ltd., 1991-1992; managing director, general manager, The Sumitomo Bank Ltd., Tokyo, 1992-1994; senior managing director, The Sumitomo Bank Ltd., Tokyo, since 1994.
Married Kumiko Koido. 2 children.