A production manager is involved with the planning, coordination and control of manufacturing processes. They ensure that goods and services are produced efficiently and that the correct amount is produced at the right cost and level of quality. The scope of the job depends on the nature of the production system: jobbing, mass, process, or batch production. Many companies are involved in several types of production, adding to the complexity of the job. Most production managers are responsible for both human and material resources. The job role is also referred to as operations manager.