Lex de Haan studied applied mathematics at the University of Technology in Delft, the Netherlands. His experience with Oracle goes back to the mid-1980s, version 4. He worked for Oracle Corporation from 1990 to 2004 in various education-related roles, ending up in Server Technologies (product development) as senior curriculum manager for the advanced database administration curriculum. In that role, he was involved in the development of Oracle9i and Oracle Database 10g. In March 2004, he decided to go independent and founded Natural Join B.V. (http://www.naturaljoin.nl). From 1999 until his passing in 2006, he was involved in the ISO SQL language standardization process, as a member of the Dutch national body. He was also one of the founding members of the OakTable network (http://www.oaktable.net).
Karen Morton is a consultant and educator specializing in application optimization in both shoulder-to-shoulder consulting engagements and classroom settings. She is a Senior Technical Consultant for Enkitec.
For more than 20 years, Karen has worked in information technology. Starting as a mainframe programmer and developer, she has been a database administrator, a data architect and now is a researcher, educator and consultant. Having used Oracle since the early 90s, she began teaching others how to use Oracle over a decade ago.
Karen is a frequent speaker at conferences and user groups, an Oracle ACE, and a member of the OakTable network (an informal association of "Oracle scientists" that are well known throughout the Oracle community). She blogs at karenmorton.blogspot.com.
Tim Gorman began his information technology career in 1984 as a C programmer on UNIX and VMS systems, working on medical and financial systems as an application developer, systems programmer, and systems administrator. He joined Oracle Corporation in 1990 as a consultant, then became an independent consultant in 1998, and has worked for SageLogix since 2000. Gorman is the coauthor of Essential Oracle8i Data Warehousing and Oracle8 Data Warehousing. He specializes in performance tuning applications, databases, and systems, as well as data warehouse design and implementation, backup and recovery, architecture and infrastructure, and database administration. Gorman still considers himself a pretty good coder, although the market for C programs has dried up somewhat lately.
A bio is not available for this author.
Andrew Morton is a developer for Cypress Systems, Inc. and creator of the PHP-driven Phlickr application programming interface.