The chief executive of Japan's Mizuho Bank, Koji Fujiwara, will step down as early as this month to take responsibility for a series of technology problems this year, the Nikkei business daily said on Thursday, without citing sources.

TOKYO: The chief executive of Japan's Mizuho Bank, Koji Fujiwara, will step down as early as this month to take responsibility for a series of technology problems this year, the Nikkei business daily said on Thursday, without citing sources.