Through our studies, we have found that a lack of true product ownership is one of the main causes of Zombie Scrum. This is puzzling as the Product Owner role as such is clearly described in the Scrum framework. However, you would be hard-pressed to find a company that comes even close to living the role the way it was originally intended. Not because these companies successfully set up the Product Owner role as required by the Scrum Guide and then found out that strong product ownership doesn’t help them solve their problems. For numerous, often very understandable reasons they go a quarter of the way and settle on fitting the Product Owner role into their existing organizational structure.