In 1995 Erik van Roon switched careers for medical reasons from Microbiology/Biochemistry to being an Oracle Developer. Since then he has worked for several consulting companies in the Netherlands. Since 2009 he is self-employed. His company is called EvROCS, short for Erik van Roon Oracle Consulting Services.
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.
He has been the technical lead of multiple successful high impact data-migration projects moving and transforming large amounts of data.

In 2012 he started speaking at international conferences and since then has been a speaker at many in person and online events.
He is a board member of community support program Symposium42, and is a co-founder and core-team alumni of the MASH program which assists people who want to become a public speaker by supplying them an experienced speaker as a mentor.