Leadership is responsible for "holistic approach" of a movement for which he is working. He has to take care of executing a task and also define how it is going to be executed with respect to ethics, work culture, and above all sustainability.
Management is about organizing staffs, it is more formal and scientific than leadership, it is more rational, structured and centralized, and lastly manager gives no major emphasis on change, and tends to focus on intrinsic working.
He is a leader and has lead from the front to place VIRGIN group at the pinnacle, far ahead of the competitors and now he does not need to manage organization or personnel. For him, it is more important to set vision/direction and lead followers in the that direction. And below him, he has group of good managers to manage the organization.
There are also some disadvantages of group activity that members face, like pressure to conform to group standards of performance and conduct. Some work groups might ostracize a person who is much more productive than his/her co-workers. Shrinking of individual responsibility is another problem frequently noted in groups.
Just like Roosevelt's old saying "Speak softly and carry a big stick; you will go far" McGregor proposes is behind this kind of radish (incentive reward) adds the big stick-like management. By now administrative personnel's responsibility and the corresponding mode of administration are: Superintendent's role is a guardian, is the direction and guidance.
What the management cares is how to raise the labor productivity, to complete the task; managers main function is the plan, the organization, the management, the direction, the surveillance, like the time allowance, the techni ...