Cox Automotive provides digital solutions that transform how the world buys, sells, and owns cars. Cox is currently engaged in a multiyear effort to migrate the bulk of its applications from physical data centers to AWS, including client-facing SaaS applications and large, consumer-facing websites. In this session, they discuss their learnings on how to effectively migrate large, service-based architectures to AWS while minimizing the impact to customers. They also share lessons learned for conducting organizational change at scale and creating a culture of self-service.