Erik van Roon is an Oracle Developer who has worked with Oracle technology since 1995, specializing in, but not limiting to, SQL and PLSQL. Since 2009 he is self-employed. His company is called EvROCS. Prior to that he has worked for several consulting companies in the Netherlands. He has worked on major projects for several clients in industries like entertainment, banking and energy, working with the ‘classic’ Oracle tools Designer, Forms, Reports, and of course SQL and PLSQL.. Erik has been the technical lead of multiple successful high impact data-migration projects moving and transforming large amounts of data. Since 2012 every year Erik builds and makes available the ero$kscope_sessions package that allows you to *query* the presentations on that years KScope site Erik has had the pleasure of speaking at conferences like ODTUG’s KScope, OGh Tech Experience in the Netherlands and the Polish conference by POUG. In 2015 Erik was nominated and selected to be a finalist in the SQL category of OTN Developers Choice Awards.