Harrie Verveer has been working with PHP as a professional since 2004 and is currently employed as a senior PHP developer at bax-shop.nl. Bax-shop.nl is the largest web shop for sound, stage and studio equipment in the Netherlands and Belgium, and is quickly expanding to other countries in Europe as well. Harrie helped organizing the Dutch PHP Conference in 2011 and 2012 and is a regular speaker at conferences and user group events around the world, where he shares his experience and knowledge gained from working with a wide variety of technologies. In his spare time Harrie enjoys playing tennis, playing golf and playing guitar in his own cover band.