This document summarizes a presentation given by Eloy Sasot on using data and data science at HarperCollins publishing. It discusses how digital technologies have disrupted the traditional publishing model and created new opportunities to use data. It outlines how HarperCollins' pricing and analytics team has expanded from a tactical national team to a global operation using data science and analytics to maximize revenue through dynamic pricing. The key to their success has been solving both data strategy problems and managing organizational change by building the right data team and carrying the organization forward.