Mizuho Financial President Yasuhiro Sato

Mizuho Financial President Yasuhiro Sato

Kiyoshi Ota/Bloomberg

Yasuhiro Sato, president and chief executive officer of Mizuho Financial Group Inc., center, bows at the start of a news conference in Tokyo on Oct. 28, 2013. Sato gave up six months of pay for failing to stop loans made to yakuza crime syndicates.