Get a certification if you focus on a particular area. Typically, you don’t need any certifications to be a chef. However, you might choose to get one if you have a specialization that you plan to pursue. If you’ve trained in a particular area, take a certification test to help you strengthen your resume.For instance, you might get certified as a master pastry chef, a decorator, or a sous chef.If you have the required education and experience, you can take a certification test through the Research Chefs Association, the American Culinary Federation, the Culinary Institute of America, and the United States Personal Chef Association.