Leadership is the process of influencing people by providing purpose, direction, and motivation to accomplish the mission and improve the organization.
An Army leader is anyone who by virtue of assumed role or assigned responsibility inspires and influences people to accomplish organizational goals. Army leaders motivate people both inside and outside the chain of command to pursue actions, focus thinking and shape decisions for the greater good of the organization.
As defined in Army Doctrine Publication (ADP) 6-22, Army Leadership August 2012