A common denominator of most, if not all, software engineering companies is that they are working team-based, meaning that the team has replaced the individual as the most critical organizational entity. Organizations are ill-equipped to manage this transition and are struggling to find effective ways to develop their teams. We have expertise in team development, and we can offer a solution to an existing and well-known problem. This presentation will give our experiences of using the Integrated Model of Group Development (IMGD, https://gdqassoc.com/) to improve agile teams’ performance at Volvo and Saab. In our experience, this model appeals to managers as well as development teams.