No matter what role OD takes in an organization, it requires facilitation by an individual well versed in organization dynamics. In HRM terms, we call this person a change agent. Change agents are responsible for fostering the environment in which change can occur, and working with the affected employees to help them adapt to the change. Change agents may be either internal employees, often associated with the training and development function of HRM, or external consultants. Before we discuss specific aspects of organization development, let’s look at this phenomenon we call change.