Follow-up calls offer an opportunity to hear real customers describe, in detail, the things that make them love your company, or not. And they can involve senior executives in learning what it’s like to be an average customer or an average frontline employee—to get out of the mindset of “corporate” and into the world where customers interact with your company every day. In this episode, Rob Markey continues his conversation with Charlie Herrin, Comcast’s chief customer experience officer, who has been leading Comcast’s multiyear Net Promoter turnaround. He discusses some of the most important drivers of culture change there.