Kevin Closson is a Chief Software Architect with PolyServe, Inc. His 17-year career has included Engineering, Technical Support, and Application Development positions specializing in Oracle and Clustered platforms. Prior to his tenure with PolyServe, Kevin held positions within IBM, Sequent Computer Systems, and Veritas, where his main engineering focus was throughput and scalability enhancements of the Oracle server on high-end UNIX SMP and Clustered Systems. Kevin holds patents in shared memory (SM) locking algorithms and database caching methods. Kevin is a frequent speaker at industry trade shows such as Oracle OpenWorld, IBM PartnerWorld, IOUG-A, and regional Oracle User Groups. In addition to book collaborations, Kevin's written works have appeared in Oracle Magazine, Oracle Internals Magazine and SELECT.