Christoph has 15 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. His main interests are scalable information retrieval, search-based applications, and text analytics. Since 2002 he is Chief Scientist of Intrafind Software AG (www.intrafind.de), a German company specialized on full-text search and text mining based on Lucene, Solr, and Elasticsearch. Christoph is Apache Lucene committer since 2004. He has accompanied dozens of commercial projects using Lucene and Solr and he is an experienced speaker on events such as Berlin Buzzwords, Lucene Revolution and ApacheCon.