Before joining QCRI, Ingmar was a research scientist at Yahoo! Research in Barcelona working in the area of web mining, analyzing large sets of user log data. Previously, he was a postdoc at EPFL working on sponsored search auctions, tag recommendation and other things. In the summer of 2008 he visited Microsoft Research Cambridge and, before starting his PhD, interned with companies in the area of public key cryptography and the Fraunhofer Institute for Industrial Mathematics. He did his PhD at the Max-Planck Institute for Computer Science and holds BA and MA degrees in mathematics from Cambridge University.