J. Peter Bruzzese (Triple-MCSE, MCT, MCITP) an Exchange MVP, is the co-founder of ClipTraining, an Exchange and SharePoint Instructor for Train Signal, a well-known technical author for Que/Sams and others, a technical speaker for Techmentor, Connections and, at times, TechEd… and the Enterprise Windows columnist for InfoWorld. In his spare time… well, with all that… let’s be honest… J. P. B. has no spare time. ;-) Follow him on Twitter @JPBruzzese.

Andy is currently a UK based CIO responsible for the whole IT systems strategy for a large social housing provider based in London. Prior to his current role he was Head of Technical operations for one of the largest councils in London, Technical architect for a dedicated US based Exchange consultancy.

Andy has been in the IT industry and worked with Exchange since the 1997. He has been an Exchange MVP for the award cycles of April 2009 and 2010. Andy spends a lot of his spare time working on his personal Exchange web site which provides ideas and solutions to the Exchange community.

Nuno is an Exchange Specialist and Team Leader responsible for the implementation and support of several messaging solutions for a large public sector organization in London, UK. He specialises in Exchange 2007 and 2010, Lync, Active Directory and PowerShell.

Besides writing to his personal Exchange blog, Let's Exchange, Nuno also tries to help others on the TechNet forums.

Henrik Walther is a Technology Architect and respected writer with special focus on Microsoft Exchange and Office 365/BPOS (Exchange Online) solutions within the unified communications area. He’s been an Exchange MVP since 2004 and a Microsoft Certified Master: Exchange 2007 since 2007.

Neil is a UK-based consultant responsible for the design, implementation and support of Microsoft infrastructure systems, most notably Microsoft Exchange systems. He has been in the IT industry since 1987 and has worked with Exchange since 1996. He was an Exchange MVP from 2003 to 2010 and still spends some of his spare time helping others in various Exchange online forums.

Anderson Patricio is a consultant for Microsoft technologies. He works with Exchange Server, ISA Sever and Active Directory deployments at a Microsoft Gold Partner in Toronto, Canada. In the Technet Brasil community, he contributes news, articles and web casts.

Jaap Wesselius is a senior consultant in The Netherlands, working for DM Consultants, a Microsoft Gold Partner with a strong focus on Messaging and Collaboration solutions. Before starting with DM Consultants in 2005, Jaap has worked for 8 years with Microsoft in The Netherlands, also in the Exchange Server arena.

Markus Klein is a Information Worker and System Center Specialist and Microsoft Certified Trainer. He has had 15 years of experience working as a Senior Consultant and Trainer for VAS Value Added Services GmbH, a Microsoft Gold Certified Partner System Center with well connections directly to Microsoft and deep experiences since 2003 with System Center Opalis. He is specialized in System Center Management (Operation Manager, Service Manager, Data Protection Manager and Opalis), Active Directory, Exchange, Lync Server and Microsoft Virtualization and ForeFront Solutions.

Rui Silva is a Technology Solution Professional specialized in Unified Communications. He is MCITP/MCDBA/MCSA/MCSE: Messaging+Security certified and has been recognized as a Microsoft MVP for Exchange Server from 2005 to 2008, due to his contribution to the technical community. Rui spends some of his (little) free time updating the UC dedicated blogs http://msmvps.com/blogs/ehlo/, http://ehlo.blogspot.com/ (in Portuguese), http://blogs.msexchange.org/silva/ and http://blogs.technet.com/ucspotting. He also has a passion for writing, he also authors some technical articles, as seen on this site.

Ilse Van Criekinge is an ICT Consultant-Trainer. An MCT since 2001, Ilse has offered several companies guidance in their Exchange deployments, next to auditing their disaster recovery capabilities. For the last three years she has ignited an enthusiasm within many IT Professionals with the power of Microsoft Unified Communications, delivering training and co-founding a new user group in Belgium http://www.proexchange.be. Ilse has been awarded the Exchange MVP award since April 2007. She has co-authored the Exchange Exam Prep Guide for Sybex, and has written “Exchange Management Shell: TFM” for SAPIEN. Ilse won the Microsoft Speaker Idol contest in Barcelona 2007.