This chapter provides an assessment of the role of professional human resource development (HRD) practitioners as organisational change consultants in addition to their role as training consultants and learning consultants. It then discusses the critical change agency role they can and should play in bringing about effective and beneficial organisational change and development (OCD) in strategic partnership with line managers. This is followed by a compelling rationale for the adoption of evidence-based practice approaches for managing and/or facilitating OCD initiatives. Next, an overview of findings from a study conducted and previously reported elsewhere (see Hamlin, Jones, and Ellinger, Concluding reflections and presentation of an EBOCD conceptual process model. In
Evidence-Based Organisational Change and Development
. Edited by Hamlin, R.G., Ellinger, A.D. and Jones, J. Hershey, PA: IGI Global, 2019b), that was designed to glean common insights from the critical reflections upon the practice of more than 70 evidence-based OCD practitioners who had used bodies of
best evidence
of various strengths to help enhance their change agency capabilities is provided. A conceptual model is then presented and it is anticipated that this model will provide relevant and useful insights for managers and professional HRD practitioners to lead and/or help facilitate more effective OCD initiatives in their respective organisations.