He is the author of XForms Essentials (O'Reilly), available online at http://xformsinstitute.com. He also served as an editor and author of the W3C XForms specification (http://www.w3.org/TR/xforms/), and participated in the XForms effort beginning in September 1999, nine months before the official Working Group was chartered. He was awarded CompTIA CDIA (Certified Document Imaging Architect) certification in January 2001.