This document summarizes a presentation about delivering ROI from audience analytics. It discusses challenges with audience acquisition and alignment. It also notes there is more event data and technology than ever before, but the challenge is using it to hit real goals. Common challenges raised by attendees are around data storage, confidence, accessibility, usability, and determining useful analytics and metrics. The presentation provides examples of how analytics can power agile marketing, including targeted messaging and anticipating registration timing based on attendee personas. It outlines steps for event organizers to get started with an analytics partner, including data sharing and discovery sessions to glean insights that can grow events.