This chapter discusses organizational structure and restructuring. It introduces structural dilemmas organizations face in balancing differentiation and integration. Mintzberg's structural configurations are presented, including simple, machine bureaucracy, and adhocracy structures. Generic issues in restructuring exert pressures from strategic, middle management, technostructure, and support staff. Reasons for restructuring include environmental shifts, technology changes, growth, and leadership or performance issues. Three case examples of restructuring at Citibank, Kodak, and a hospital are provided.