Nemo Semret joined Gro Intelligence after 8+ years in engineering at Google, where he first worked for several years in web search on ranking algorithms. He was then Tech Lead on Google’s Ad Exchange. He led the engineering team responsible for auction algorithms and mathematical optimization. Most recently, he was Tech Lead for Contributor by Google, a product that he invented and led from research to launch. Contributor enables a post-ads business model for the web through market-based micropayments. Previously, Nemo was co-founder of Invisible Hand Networks, Inc. which provided real-time auction-based bandwidth exchanges for content providers and ISPs. Nemo was also co-founder of a VOIP startup, and Adjunct Professor of Electrical Engineering at Columbia University.