1) Change management requires key roles beyond just a change manager, including executive sponsors, managers and supervisors, employees, and the project team. 2) Each role plays an important part in managing change - executive sponsors communicate and support change, managers coach employees and provide feedback, employees adopt changes, and the project team provides change information. 3) The change management team's primary role is to assess readiness, develop strategies, and create plans to enable the other roles to effectively manage change.