This publication addresses aspects of managing human resources in the nuclear field. These aspects include ensuring that individuals have the competence needed to perform their assigned tasks; organizing work effectively; anticipating human resource needs; and monitoring and continually improving performance for the entire lifecycle of nuclear facilities. The aim is to increase understanding of these aspects in IAEA Member States, including those countries embarking on a new nuclear power programme.The publication provides guidance to decision makers and senior managers responsible for the reliable supply of a competent workforce for the nuclear field, and to line managers at nuclear facilities who are responsible for the training, qualification, and performance of their personnel, as well as to human resource specialists in the nuclear field.