Maarten Kling is working as a Senior developer for Four Digits in the Netherlands. Maarten is a Zope developer for seven years and a Plone developer and integrator for four years. Maarten has implemented over a dozen websites, some examples are; Cool Region, NPO and the Royal Dutch Chess Organisation. His specialisation is implementing a website design in Plone based on a Photoshop document and creating viewlets, portlets and content-types.