Investors and other stakeholders were understandably sad to see Alan Mulally step down as CEO at age 68 in 2014 after successfully steering at Ford Motor Co. through the 2008-2009 financial crisis, avoiding the fate of rival automakers General Motors and Chrysler. But for every Mulally whose experience and talent are held in high enough esteem to overshadow most concerns about ability to lead effectively into his seventies, there are other CEOs who remain at the helm of big companies far longer than they should.
