Diagnosing Organizations is the forth book out of seven from The World of Business Management series, designed as a hands-on program to provide business executives with a chance to refresh and up-date their knowledge to succeed in running, managing, and operating practically any business with a little adjustment to business size and type. Discussions of Book 4 Diagnosing Organizations collaborate on organizational development, including diagnosing organizations. The book includes an explanation how Organizational Development (OD) consultant examines the unique organizational context through following five areas: "(1) Organizational environment, (2) Organizational relationships; (3) Competitive environment, (4) Strategic challenges, and (5) Performance improvement system. A real-world company was chosen for investigation of problem to show how executives may assess and improve leadership, organizational culture, and resolve the problem. An organization development report in the second chapter provides executives of the same organization with findings and recommendations regarding the improvement of performance issues, based on investigation of leaders and employees' responses to the questionnaire. The book concludes with Discussion Questions accompanied by the author's starting responses.