The scale of change we will encounter during the next decade will surpass that of the past half-century, according to scientists and futurists. Although we have been talking about the "increasing pace of change" for more than 20 years, the pervasiveness of this disruptive change is now unprecedented. Leading well, gaining followership, and delivering results in the next 10 years—in which change, volatility, and industry disruption are the constant, and periods of stability and predictability are unusual—will be the challenge that underlies all else for executives and those who help develop them. Effective leaders will need to be able to adapt to such a wide variety of different contexts, conditions, and situations that it will be increasingly difficult to simply teach "how to lead." What we can do instead is develop leaders who have...