This report provides an in-depth analysis of GlaxoSmithKline's (GSK) organizational behavior, focusing on its culture, structure, leadership styles, and motivation theories. It examines the different types of organizational cultures present within GSK, such as power, role, task, and person cultures, and compares GSK's structure and culture to that of Pfizer. The report evaluates the effects of these cultures and structures on organizational performance, including employee performance evaluation, goal achievement, problem-solving, communication, and unity. Furthermore, it explores factors affecting individual behavior within the organization, such as personal, demographic, psychological, and environmental factors. Different leadership styles, including autocratic, laissez-faire, and democratic, are discussed, along with the application of organizational theories like Theory X and Y, scientific theory, and human relations theory within GSK. The report also addresses the impact of leadership styles and the usefulness of motivational theories like equity theory, highlighting factors affecting teamwork and providing a comprehensive overview of GSK's internal management practices.