Organizational ergonomics is concerned with the optimization of socio-technical systems, including their organizational structures, policies, and processes. Relevant topics include: communication, crew resource management, work design, work systems, design of working times, teamwork, participatory design, community ergonomics, cooperative work, new work programs, virtual organizations, telework, and quality management) [1]. This article concentrates on: system ergonomics, participatory ergonomics, job design and task allocation, teamwork, task rotation and work schedules and shift work.