Raymond Comvalius is an independent consultant and trainer in the Netherlands. Raymond has been a speaker at several Dutch technical events, presenting about Windows Security, PKI, Windows Terminal Services, Windows Server, ISA Server and wireless security. Raymond was once one of the first trainers teaching Windows 2000 MOC in the Netherlands. He usually designs and implements Windows Infrastructures for medium to large companies. In those projects he is usually responsible for Active Directory, security and network services design and the lead technologist in the team of specialists. Raymond is a frequent visitor of Microsoft TechEd and IT Forum events and has been a proctor on the latest IT Forum and TechEd conferences in Europe and North America. At TechEd 2006 and 2009 he worked at the ATE booths for Windows Client with members of the Windows Client product teams. In 2008 he published a book: "Windows Vista for XP Professionals", that is available in Dutch and English. In 2007 and 2008 he was the lead designer of the Windows Vista client for Rabobank in the Netherlands. In 2009 he published his second book: "Windows 7 for XP Professionals." Raymond is currently developing the Windows 7 based client for Rabobank and works as a consultant to advise various organizations about their client implementation.