This Kotter's 8-step model is a method for assisting leaders in successfully implementing organizational change. This model was created by John P. Kotter, a Harvard Business School professor, and presented in his book "Leading Change," based on years of research that revealed that only 30% of organizational change implementations are successful. The 8-step model developed by Kotter is widely used because it provides an easy-to-follow roadmap for change managers, even if they are not experts in the field. Each stage specifies what must be done to keep a change project on track. The model emphasizes the importance of creating urgency to effect change. It, you guessed it, walks you through initiating, managing, and sustaining change.