John Barr covers IT early adoption and innovation in the financial markets at The 451 Group. He is also responsible for the company’s research activities within the European Commission Framework Program. John has over 25 years of experience in the IT industry, initially writing compilers and development tools for high-performance computing platforms. The bulk of his career has been spent in a variety of technical roles at systems vendors (Meiko, Convex, SGI, Sun and Intel) supporting their technical computing and HPC customers. John’s core technical skill is application performance analysis, optimization and parallelization. He is active in many industry organizations; he was coauthor of the DTI-sponsored ‘Unlocking the Grid’ report and he sits on the Advisory Board of the Grid Computing Now! Knowledge Transfer Network.