Jonathan Stern has over 13 years of IT experience, including senior positions in consulting, systems architecture, and technical sales. He has in-depth experience with the Oracle RDBMS across all major open systems hardware and operating systems, covering tuning, scaling and parallelism, Parallel Server, high availability, data warehousing, OLTP, object-relational databases, N-tier architectures, and emerging trends such as Java and CORBA. He is the Central USA Technical Team Leader at Ariba, Inc., the leading vendor of electronic commerce solutions for strategic procurement. Previously, he led a team of highly experienced database specialists at Oracle Corporation providing technical depth and strategic assistance to Oracle's largest customers in the North Central USA. Jonathan has authored papers and presented at internal and external conferences on topics such as scaling with Oracle's dynamic parallelism and the role of reorganizing segments in an Oracle database.