Auren Hoffman is CEO of SafeGraph — building truth sets to power machine learning and AI. He is the former CEO and cofounder of LiveRamp (sold to Acxiom) -- the largest middleware provider in marketing technology. He is Chairman of Siftery - using data to help companies better buy enterprise software. He previously served on the board of BrightRoll (acquired by Yahoo). He is also an investor in over 80 technology companies.