[jansan]

Apple was on a winning streak when Tim Cook took over, so it does not look that impressive. But it is hard to imagine how he could have done a better job. Maybe Apple could have created a better browser :)

[osigurdson]

Good CEOs don't screw up the current business. Great CEOs make big bets that work out. Tim Cook is clearly in the "good CEO" category.

[endisneigh]

false. Great CEOs maximize returns for the shareholders. this is inclusive of big bets.

[osigurdson]

False, great CEOs maximize NPV, not returns.

[endisneigh]

returns in this context would be inclusive of NPV