This document discusses organizational behavior and leadership. It defines leadership as the ability to influence a group towards achieving goals and visions. Organizational behavior is the study of how individuals behave in organizational contexts. Good leaders challenge the status quo, create visions for the future, and inspire others to achieve those visions. An example given is Narayana Murthy, who rose from an average engineer to co-found the software giant Infosys. The document then discusses various leadership styles like situational leadership, transformational leadership, and charismatic leadership. It also summarizes Hersey and Blanchard's situational leadership model and its four leadership styles based on directive and supportive behaviors.