Companies spend billions of dollars each year on leadership development. And there is an urgent need to ensure that the next generation of executives is prepared to lead. But the overwhelming number of leadership theories and programs are confusing. What criteria should businesses use to judge whether someone is ready to lead? And how can decision makers know if someone is likely to succeed in a leadership role?
via Leadership Is More Than the C-Suite.

This article is spot on. It is difficult for one person to keep up in all four of these categories, much less excel at it. Without the support of someone who can focus on a specific area, it is near impossible to satisfy overall company goals.