This document discusses managing organizational change across the IT service lifecycle. It begins by introducing the IT service lifecycle model and explaining that managing change requires considering organizational structure, culture, and processes. It then discusses diagnosing why change is needed, implementing change using a three step process, and identifying strategies to assess and manage change. Finally, it examines how organizational change aspects relate to each stage of the service lifecycle from service strategy through service operation. Key aspects include assessing culture, transition capabilities, and designing organizational change.