Transforming Useless Retrospectives Into Powerful Ones: Great Sprint Retrospectives can significantly transform teams for the better. Bad Sprint Retrospectives end without any explicit action on how to become a better team. That Scrum Master transformed our team. Looking back seems obvious to me, but I was clueless about our mistakes. Getting feasible actions out of a retrospective and getting them done helps teams to learn and improve. With agile retrospectives, the team drives their own actions!