David is a cross product DBA (SQL Server, Db2, Oracle, Informix, Sybase) who has worked for 25 years as a DBA for both private, local/central government customers including a Fortune 50 investment bank.

Certifications include all current Db2/Informix certifications as well as SQL Server,Oracle and Sybase certifications.

David is also an IBM Champion and has started his own company Blue Rose Quantum Consulting.