David Gulbransen is the CEO of Vervet Logic, an XML tools development company. More than 5,000 businesses have licensed XML Pro, their XML editor, including The European Union, the Library of Congress, IBM, Prudential, Intel, Cisco Systems, New York Life, Harvard University, and Purdue University. More than 30,000 developers receive Vervet's newsletters. David has been involved with XML since before there was a standard, shipping the final version of XML Pro as XML 1.0 was made final. Today Vervet's strategic partnerships include IBM, Sun, BlueStone, Siber Logic, and OpenText. His most recent book was Special Edition Using XML Schema.