American John P Kotter (b 1947) is a Harvard Business School professor and leading thinker and author on organizational change management. Kotter's highly regarded books 'Leading Change' (1995) and the follow-up 'The Heart Of Change' (2002) describe a helpful model for understanding and managing change. Each stage acknowledges a key principle identified by Kotter relating to people's response and approach to change, in which people see, feel and then change.
Originally presented at the Tenth International Personal Construct Congress, Berlin, 1999, and subsequently developed in his work on constructivist theory in relation to service provision organisations at Leicester University, England, John Fisher's model of personal change - The Personal Transition Curve - revised again in Nov 2012 - is an excellent analysis of how individuals deal with personal change. This model is an extremely useful reference for individuals dealing with personal change and for managers and organizations helping staff to deal with personal change.
Modern principles for organisational change management and effective employee training and development. These principles are for forward-thinking emotionally-mature organizations, who value integrity above results, and people above profit. This is not to say that results and profit don't matter, of course they do. The point is that when you value integrity and people, results and profit come quite naturally.