Essentially, the project manager is accountable for the success or failure of a project. Typical responsibilities of a project manager is 1. Planning, Executing, and Closing Projects : defining the project, building its comprehensive work plan, and managing to the budget 2. Managing Teams : facilitating commitment and productivity, removing obstacles, and motivating team members 3. Managing Expectations : aligning projects to business goals, managing stakeholders, and communicating project status, milestones, and unexpected difficulties effectively