Biographical Sketch: David Rhoderick manages IBM's System z Competitive Analysis and is a "mainframe evangelist". He started his IBM career in Hursley, UK -- the home of CICS, MQSeries and many other successful IBM products -- as a systems programmer responsible for CICS, ATMS, JES2 and the base MVS system. He then moved to development where he was involved with DISOSS, GDDM, 3270-PC, OS/2 and CICS software. Mr. Rhoderick has extensive expertise in application deployment and the financial aspects of mainframe operation. In his 30+ years at IBM, working in both the U.S. and the U.K., he has worked in many different fields including software pricing, marketing, ISV recruitment, consulting, sales, systems engineering, development and systems programming. His previous experience at IBM includes the development of the OS/2 operating system for PCs and porting a large DEC-VAX application to the AIX environment for a media company. He has received numerous IBM awards including an IBM Outstanding Technical Achievement Award for System Competitive Analysis of Mainframe Total Cost of Ownership. David holds a Masters degree in Computer and Natural Sciences from Cambridge University and is currently studying for a Masters in Musicology at the UK’s Open University, and Fellowship of the Royal Schools of Music.