Lennart founded the Graylog project in 2009 and has since then worked with many organizations on log management and security-related projects. He has extensive background in software development and architecture. His skills include Java, Ruby, Ruby On Rails, PHP, MySQL, MongoDB, and ElasticSearch.. Lennart attends many InfoSec conferences and has spoken at many including DerbyCon. He has several cats. Once he ran a marathon but was not very fast.