The Scrum Guide says that a scrum team consists of three roles: product owner, development team and scrum master. My work as a scrum trainer and coach has revealed that some organisations don’t use product owners at all. So, are they really necessary?
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In March 2012, I sat the Professional Scrum Master I assessment provided by Scrum.org. I did not attend any formal training beforehand and relied only on my experience and exam preparation. In this article, I tell you how I prepared for, and passed, the Professional Scrum Master I assessment.