Jim Collins, in his bestselling book Good to Great, demonstrates through massive research and comprehensive analysis that when it comes to CEO succes… - Ben Horowitz

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Jim Collins, in his bestselling book Good to Great, demonstrates through massive research and comprehensive analysis that when it comes to CEO succession, internal candidates dramatically outperform external candidates. The core reason is knowledge. Knowledge of technology, prior decisions, culture, personnel, and more tends to be far more difficult to acquire than the skills required to manage a larger organization. Collins does not, however, explain why internal candidates sometimes fail as well. I will attempt to do so here. I will focus the discussion on two core skills for running an organization: First, knowing what to do. Second, getting the company to do what you know. While being a great CEO requires both skills, most CEOs tend to be more comfortable with one or the other. I call managers who are happier setting the direction of the company Ones and those who more enjoy making the company perform at the highest level Twos.