Operations management (OM) is the business function responsible for managing resources to produce products and services. OM transforms inputs like people, materials, and money into outputs like goods and services. OM makes both strategic long-term decisions and tactical short-term decisions to efficiently add value. While manufacturing deals with tangible goods and services intangible products, both require addressing issues like quality, productivity, demand forecasting, and capacity. Historical developments like scientific management and total quality management have shaped the field. Current trends include just-in-time production and supply chain management. OM works closely with other functions like marketing, finance, and accounting.