Managers have subordinates / Leaders have followers
Managers manage tasks / Leaders lead people
Management is the science of getting the job done efficiently through people. It involves coordinated processes, controls and the execution of tasks and projects to accomplish the organization’s mission. Leadership is the art of inspiring and empowering people to see the vision and do their jobs effectively. Not all managers are leaders and not all leaders are managers. The best managers are also great leaders, effectively applying the science of management along with the art of leadership. People naturally follow leaders out of trust, respect and personal motivation. Leaders set the right example and bring out the best in the people who follow them. Effective leaders are connected, engaged and have a passion for their mission. They build teams and instill a vision, motivation and passion in the teams they lead. Leaders are coaches, helping the members of their teams to excel and grow. They freely give positive & negative feedback to team members, building skills and confidence. Effective leaders build winning teams that take pride in their performance.
Sources:
http://changingminds.org