Eric J. Naiburg is the group manager of business segments for IBM Rational Software. Naiburg is responsible for managing the product direction for supporting business and IT applications. Previously, he was manager of product management for Rational, focusing on the Rational Rose and Rational XDE Professional product lines, he extended the ability of Rational products to support database design and e-business solutions within the visual modeling tools space and the UML. He and Robert A. Maksmichuk coauthored UML For Database Design, Addison-Wesley, 2001, ISBN 0-201-72163-5. You can contact him via e-mail at firstname.lastname@example.org.