Marko is a long term WordPress contributor from the Netherlands. He uses wordPress since 2006 and started contributing back to it in 2009. For more then two years he was the lead developer of GlotPress.
After years of freelancing he now works for his own agency CodeKitchen B.V. He works continuously on improving the project flow.
He can be found on Twitter @MarkoHeijnen or one of his blogs at markoheijnen.com and wpunknown.com.