Unbelievable that such a great tool with so many possibilities is available as open source software.
Martijn is internationally involved in the Joomla project: http://volunteers.joomla.org/joomlers/martijn-boomsma#groups. Except as organiser of the Dutch Joomladay team (since 2010), member of the Open Source Matters (the Joomla Foundation), boardmember of the Dutch Joomla Foundation (Stichting Sympathy) and Assistent treasurer for OSM.
He loves projects that cross borders. Multiple departments and stakeholders, extended requirements, eye for details and deadlines make projects the challenge he loves to take on with the Perfect Web Team.