Biographical Sketch: 15 years in IT industry at a large international bank. 10 years specializing in mainframe performance, with a focus on Data Mirroring techniques and I/O performance. Designed, implemented and maintained many critical projects such as WLM Goal Mode and GDPS/Data Mirroring. Extensive experience with many performance analysis tools and techniques at the hardware, OS, and application levels. John has hosted many sessions at CMG, SHARE, etc. as well as several regional user groups. In 2007 John joined IntelliMagic. As the Support Director for IntelliMagic, North America, John is responsible for education and technical support for all of IntelliMagic's prospective and existing clients.