Final answer:
Gerard would be classified as a functional manager because he is responsible for managing the human resources department in his organization.
Step-by-step explanation:
In this scenario, Gerard is responsible for managing the human resources department, which is a specific department within the organization. This makes him a functional manager. Functional managers have expertise in a specific area, such as human resources, finance, or marketing, and are responsible for overseeing the operations and activities of their department.