As startups grow, they quickly realize that they need a third personality, called the Manager, to build systems and processes.

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Though they don't need to be on identical wavelengths, they shouldn't be at opposite poles either over policy and personality.

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Many CIOs will also mention the importance of management skills, given that they need to harness the talents of a large, diverse team of people who run the gamut of Myers-Briggs personality types.

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