He joined the bank in 1999 to act as sort of a tie-breaker in an office of the chairman that had co-chief executives, Weill and John Reed.

FORBES: Another Wall Street Chief Falls

At Citi, that job may fall to Robert Rubin, the ex-treasury secretary, who joined Citi in 1999 to act as sort of a tie-breaker in an office of the chairman that had co-chief executives, Weill and John Reed.

FORBES: Street Quakes As Another Chief Falls

While other auto chief-executives-to-be were punching keyboards in an accounting office, Fukui ran the company's motorcycle racing operations.

FORBES: Engineers Rule