As you can read in wikipedia, A project manager is a professional in the field of project management. Project managers can have the responsibility of the planning, execution and closing of any project, typically relating to construction industry, architecture, aerospace and defense, computer networking, telecommunications or software development. Many other fields in the production, design and service industries also have project managers.
It’s difficult to define what a “good” project manager is these days. This infographic can help you to learn how to apply your good project management skills to grow as a professional.