Skill and proficiency in the concepts, principles and techniques of the field of radiology as acquired by meeting the requirements to be eligible to become registered by the American Registry of Radiologic Technologists (ARRT)), or American Registry for Diagnostic Medical Sonographer (ARDMS), or Nuclear Medicine Technology Certification Board (NMTCB). • Directs radiology functions through scheduling and evaluation of personnel, acquisition of supplies, organization of clinical activities, and communication within the department and with all services in order to deliver efficient and accurate patient care for adolescents, adults and geriatrics.