Becoming a chef or head chef comes with a lot of responsibility. Check the freshness of food and ingredients, hire and supervise other cooks and food-preparation workers, develop recipes and decide how to present food. There are different types of of chefs.Executive chefs, head cooks and chefs de cuisine oversee the kitchen. Executive chefs might design the menu, review food purchases and train other kitchen workers. Sous chefs supervise the restaurant’s other cooks, prepare meals and report to the head chefs. The sous chefs run the kitchen if the head chef is gone. Private chefs typically work full time for one client or family.