Power dynamics are considered one of the most important causes of the failure of change processes. However, the ability to exert power is essential for the successful implementation of changes. How can power be used in a way that does not have negative effects? This book explores the forms of power within organizations and provides conceptual foundations as well as practical guidance for dealing with power in change processes. Contributions from renowned authors with practical experience across various consulting topics, industries, organizational forms, company sizes, and hierarchy levels offer diverse perspectives on the subject. It includes numerous case studies from business practice and guest contributions from Stefan Kühl, Günther Ortmann, Thomas Sattelberger, Bernd Schmid, Gerhard Schwarz, Fritz B. Simon, and Rudolf Wimmer.