Knut Magne Risvik works for Microsoft, heading up the architecture work for infrastructure and platforms on Bing.com.
Previously, Knut was an engineering director for Google since 2005. Before that he served as the Chief Architect at Yahoo, coming from the Yahoo and Overture aquisitions of Fast Search & Transfer
Knut Magne has a PhD on scalable architecture for Search Engines from the Norwegian University of Science and Technology. Widely known as the thought leader and chief architect for the alltheweb.com search engine, Knut Magne was part of FAST since its inception. He holds multiple patents related to search technology and has written and spoken extensively on the subject.