I’m a long term WordPress contributor from the Netherlands. I use wordPress for more then 7 years and starting contributing back to it in 2009 to already nine releases. After years of freelancing I now work for 1&1 as their WordPress specialist. Part of my job is improving WordPress by contributing back to the community.
I also work on GlotPress as the main core developer and creating a better open source tool for translations. I can be found on twitter @MarkoHeijnen and I do blog on markoheijnen.com or wpunknown.com.