Roger Federer can arguably be considered the greatest tennis player of all time, having won 16 Grand Slam titles—and yet he lost every French Open Championship he played against Rafael Nadal.  Few would suggest that Nadal was a better overall tennis player. But on the clay courts of Paris’ Roland Garros stadium, he was the best player. And even though no one would deny Roger Federer’s overall tennis prowess, no one expects that he would win in every conceivable situation. So why do we assume that our CEOs will?