Marko is a long term WordPress contributor from the Netherlands. He runs his own company called CodeKitchen B.V where he build projects for clients but also own products and services. Beside his work on WordPress he also works on GlotPress to build a better open source tool for translations. Almost directly after he started in 2012 he became one of the lead developers. He shares a lot of his knowledge on his blogs at markoheijnen.com and wpunknown.com. Also he shares a lot of he code on his GitHub page and he can be found on Twitter @MarkoHeijnen when you have questions.