An effective change agent plays a crucial role in initiating, guiding, and sustaining change within an organization. In the context of organisational design, development, and change, a change agent may be an internal manager, leader, or an external consultant who facilitates planned change to improve organizational effectiveness. To perform this role successfully, a change agent must possess a wide range of competencies that enable understanding of complex organizational realities, effective problem solving, collaboration with people, and personal resilience. These competencies are generally grouped into cognitive, technical, interpersonal, and personal effectiveness competencies, each of which contributes uniquely to the success of change initiatives. Cognitive competencies refer to the intellectual abilities that allow a change agent to understand organizations as complex systems and to diagnose problems accurately. An effective change agent must have strong analytical and conceptual thinking skills to identify underlying issues rather than focusing only on surface-level symptoms. For example, declining employee performance may appear to be a motivational issue, but a cognitively competent change agent may analyze structural design, reward systems, leadership style, and communication patterns to discover deeper causes. Systems thinking is a key cognitive competency, as organizations are made up of interrelated subsystems such as structure, culture, technology, and people. A change in one part often affects others, and the change agent must anticipate these interdependencies to avoid unintended consequences. Another important cognitive competency is strategic thinking, which enables the change agent to align change initiatives with the organization’s long-term vision, mission, and external environment. For instance, when introducing digital transformation, a change agent must consider market trends, competitive pressures, and organizational capabilities rather than implementing technology