This book focuses on various business practices to manage ailing companies during economic depression or in the aftermath of man-made and natural disasters. The methods implemented by various Japanese enterprises, such as Japan Air Line, Tokyo Electricity Company, Nissan and Toyota, to overcome their challenges are elaborated in this book. The scope of the book covers: restructuring under government financial support; private turnaround management of huge conglomerates; reorganization of business domains; accounting for risk management, and robust supply chain management in the aftermath of disasters.