Wilco Fiers is product manager and accessibility engineer of the aXe and WorldSpace Attest product lines at Deque Systems. Based in The Netherlands, Wilco helped set up Deque Research, the European arm of Deque. Wilco is co-facilitator of the Accessibility Conformance Testing Task Force in the Accessibility Guidelines Working Group (AGWG) for the W3C, in which he works on standardisation in accessibility testing. This work is put into practice in the Auto-WCAG Community Group; a group that Wilco helped found and is currently the chair of. Wilco is a member of the Web Accessibility Directive Experts Group, in which he advises the European Commission about the implementation of the Web Accessibility Directive.