Ralph Jacobs is one of the CEOs of Four Digits and a Zope developer for seven years. Ralph has more experience on the back-end of software systems and has contributed on several different CMS's and lately on Plone At the moment Ralph is maintainer and developer of the Classifieds addon product for Plone. Next to that he's working on UI/accesibility guidelines together with Laurens. Also Ralph plays in a live electronic techno/electro live-act called 303F. (303f.nl)