Dietmar Aust is a freelance consultant in Germany, focusing on Oracle Application Express and Oracle XE. Starting in 1997, he worked for three years as a consultant for Oracle in Germany. Since then, he has helped numerous leading companies in Germany successfully deliver Web-based applications based on the Oracle product stack, especially involving the Internet application server, Oracle Portal, and Oracle Reports. Dietmar is a regular presenter at various Oracle conferences (ODTUG, OOW, DOAG), conducts training classes on APEX, and recently co-authored a book on APEX best practices in German (Oracle APEX und Oracle XE in der Praxis). You can reach him at Opal-Consulting.com or http://daust.blogspot.com.