He is often involved with large customer deployments, dealing with data center and storage architectures and technologies and Windows performance tuning and optimization. Pierre has been a tutor of the unanimously acclaimed Exchange Academy program at HP since its inception and was specialized in mobility, server and storage design and performance aspects of Microsoft Exchange. Pierre is a Microsoft Certified Architect (Infrastructure). In December 2001, he published a book, Scaling Microsoft Exchange 2000: Create and Optimize High-Performance Exchange Messaging Systems, (Digital Press), updated in November 2006 for Exchange 2003 SP2.