Most teams are experimenting with AI, but few are building programs that consistently drive results. In this session, you'll see how HubSpot's email team designs AI-powered automation that doubled baseline conversion rates with nearly 100% of emails personalized at scale. Learn the architecture behind scalable 1:1 personalization, how to choose the right data inputs, how to design prompts that write emails without human review, and a repeatable QA framework to protect brand voice and catch errors. You'll leave with a blueprint you can implement immediately, no engineering team required.