Marc Guldimann is the Founder and CEO of Adelaide, an industry leader in the rapidly-growing field of real-time attention measurement. Adelaide puts evidence-based measurement into practice using AU, an omnichannel metric proven to measure media quality more accurately than any existing metric. Before the creation of Adelaide, Marc founded Parsec, the first marketplace to sell media based on time spent. He also served as the founding CEO of Enliken and Spongecell. Prior to digital media, Marc worked in the wireless network security industry, where he developed the first wireless virus filter. A graduate of Carnegie Mellon University, Marc holds a degree in Social Decision Sciences.