Christoph Goller has more than 10 years of experience in the search industry. He got a Ph.D in computer science from the Technical University of Munich where he worked in several research projects on artificial intelligence, machine learning and neural networks. Christoph started his career at Lernout & Hauspie. Since 2002 he has been Director Research of Intrafind Software AG (www.intrafind.de), a German company specialized on full-text search and text mining based on Lucene and Solr. Christoph has been a Lucene committer since 2004. He has accompanied dozens of commercial projects using Lucene and Solr. Christoph is author of more than 15 scientific papers, frequently gives presentations on search related topics (e.g. at Lucene Revolution 2011) and is responsible for partner training at IntraFind.