Team Leader

A team leader is someone (or in certain cases there may be multiple team leaders) who provides guidance, instruction, direction, leadership to a group of other individuals (the team) for the purpose of achieving a key result or group of aligned results.
The team leader monitors the quantitative and qualitative result that is to be achieved. The leader works with the team membership.
It is often important to note that the team membership may not directly report or answer to the team leader, (who is very often a senior member of the organization but may or may not be a manager) but would be expected to provide support to the team leader and other team members in achieving the team's goals.
A good team leader listens constructively to the membership and to the customer(s) of the results that the team is charged with delivering. A good team leader prioritizes is often referred to as a team leader (example\)