Dennis Priefer has been developing Joomla! extensions since 2008 (Joomla! Version 1.0) and has technical expertise in several web technologies. As a Ph.D. student in computer science he is currently developing an Model-driven development infrastructure for Joomla! extensions (JooMDD).
In the last years he presented his ongoing work ("Model-driven development of content management systems based on Joomla!") during several international conferences and within the Joomla! community.