This chapter introduces operations and supply chain management. It defines OSM as designing, operating, and improving systems that create and deliver products and services. The chapter outlines the learning objectives which are to understand the importance of OSM and define efficient and effective operations. It describes the core processes in OSM like planning, sourcing, making, delivering, and returning. It also contrasts services and goods processes and careers in OSM. Finally, it discusses the historical development and current issues in the field.