Frank Karlitschek is the founder and managing director of Nextcloud GmbH. He studied computer science in Tübingen and lives in Berlin. He has been developing open source software for over 25 years and was active on the board of the KDE project, among other things. He founded several IT start-ups in Germany and the USA, as well as the User Data Manifesto on cloud data protection in 2015. In 2016, he launched Nextcloud as a European open-source alternative to US and Chinese clouds. Karlitschek is an international keynote speaker, fellow of Open Forum Europe, W3C expert and advisor to the UN.