This document discusses leadership and organizational change. It begins by defining leadership as influencing others to achieve common goals. It then discusses the evolution of leadership definitions from trait approaches to behavioral approaches. It outlines Katz's three-skill approach to leadership including technical, human, and conceptual skills. The document also discusses team dynamics, stages of team development, and models of organizational change including Fullan's model emphasizing moral purpose, understanding change, relationship building, knowledge building, and coherence making.