This document provides an overview of the waterfall and agile project management models. It describes the linear sequential nature of the waterfall model where each phase must be completed before moving to the next. In contrast, the agile model is iterative with evolving requirements and collaboration between cross-functional teams. Key aspects of agile include the agile manifesto's focus on individuals, working software, customer collaboration, and response to change. The document discusses advantages of the agile model and outlines human resource project management processes like developing a plan, acquiring a team, and managing the team. It concludes that the best project methodology depends on the specific project and organization.