David Tanzer works as a freelance software developer since 2006. He is co-founder and CEO of "ciqua Pirringer & Tanzer OEG" (left ciqua in 2010). David was always interested in Agile Software Development and Scrum in particular. Since Summer 2009 he worked in various Scrum teams as a developer. More details can be found on http://davidtanzer.net/about.