Marketing directors are responsible for their company's branding and image. This is a super-important job. The marketing directors hold the fate of the company in the palm of their hand. Without a marketing director, the company is sure to fail. Because how else is the public going to know about said company?
Using strategies, marketing directors are able to craft the image of a company. This enables that company to compete with other companies selling similar products. You know how coaches "scout" out the competition? Well, marketing directors do that and so much more. They want their team to win.
As a marketing director, employers are looking for people with at least a bachelor's degree. On top of that, you'll definitely need some experience walking into this position. As the company's lifeline, you need to know what you're doing.