Rafał Kuć
Author of Apache Solr Cookbook series and Elasticsearch server books, father, Sematext consultant and co-founder of http://solr.pl blog where he tries to share his knowledge. Currently working as search consultant and software engineer at Sematext Group, Inc. Mainly focused on Lucene, Solr, Elasticsearch, Hadoop and Mahout.
Videos
Berlin Buzzwords 2014
Berlin Buzzwords 2015
Corporate-Design: Extragestaltung, Margarethe Hausstätter
Ilustration: cyan, Berlin