An account manager oversees different initiatives or projects of a business, monitors their progress and completion, and ensures that they meet the expectations of the clients. Although a project manager usually doesn’t need to perform the hands-on tasks involved in a project, he or she must possess some degree of knowledge with regards to the various aspects of a project. This role is responsible for making sure client and customer needs are being met and understood by each department in the company. Their duties include handling any client complaints, working to find solutions to any client issues and managing other departments to ensure clients are experiencing a positive client-company relationship.