This discussion from 2012 remains relevant and applicable today.
One of the main responsibilities of leadership is creating change. It is not enough to respond to a changing environment (although, that is important, too). The most effective leaders actually create change in the organization and may even influence the environment as a result. One of the best contemporary examples of this is Steve Jobs’ ability to change Apple upon his 1996 return to the company and the resulting impact he and the company had on global culture.