Resource management as part of project management is all about doing more with less. Nobody likes waste, especially in business. Resource management is centered around optimization and efficiency. When you know what you need to make a project successful, you can effectively plan out the optimal way to use those resources.To some companies, optimum efficiency is so important that they hire someone solely devoted to resource management; also known as a resource manager. What does a resource manager do? While project managers are responsible for creating and assigning tasks to get the project done, resource managers are accountable for allocating the resources needed to make the project a success.