RON SCHMELZER- (lead author) ties all the XML chapters and topics together for us just as he does with his organization "ZapThink". Founder and senior analyst of ZapThink, Ron is a well-known expert in the field of XML and XML-based standards and initiatives. He has been featured in and written for periodicals, and has spoken at numerous industry conferences including XML One, Comdex, and Internet World on the topic of XML.