In 2004, SEP tried adopting Agile practices. However, Agile failed to have the desired lasting impact across the entire organization. Things changed in 2007, when SEP implemented Kanban for the first time. We will explore how Kanban teams at SEP matured through the lens of the Dreyfus Model for Skill Acquisition. We will examine what this pattern has meant for institutionalization of Lean in the organization. We will discuss a counterintuitive technique for higher success and adoption rates of new methodologies. Finally, we will review common pitfalls teams encountered adopting Kanban.