This document provides an introduction and background about Jorge Luis Soto, a serial technology founder and current co-founder and CEO of Freedeo. It discusses his experience founding several startups since 2003 in various technologies. It then provides a brief overview of what ad tech is and discusses the history and evolution of digital advertising screens from print to mobile/apps to emerging virtual and mixed reality. It outlines several case studies and lessons learned from Soto's experience scaling startups like MoPub, which was acquired by Twitter in 2013.