David Levy has extensive experience delivering enterprise class, high performance, scalable software. Prior to MATRIXX, he worked for over 10 years at Portal Software (acquired by Oracle) as a senior engineering director. He led several of Portal’s largest and most successful billing and charging benchmarks in cooperation with many of the world’s leading communications companies. Before that, he provided technical leadership in the area of performance engineering at the data warehouse software company Red Brick Systems (now part of IBM). David holds a Ph.D in Computer Engineering from the University of California, Santa Cruz.