Thomas Rizzo is a Senior Director in the Office 365 team at Microsoft. Previously, he was the senior director on the SharePoint team and the SQL Server team.
Razi bin Rais is Microsoft SharePoint Services MVP, MCPD SharePoint 2010 Developer, and MCITP SharePoint Administrator 2010.
Michiel van Otegem is Senior Software Architect at Sogeti Netherlands.
Darrin Bishop is a speaker, author, and developer focusing on SharePoint since the release of SharePoint Portal Server 2001.
George Durzi is a principal consultant at Clarity Consulting, working with clients to implement solutions based on Microsoft tools and technologies.
Zoiner Tejada is the President and chief problem solver at TejadaNET, providing strategic guidance to enterprises and startups leveraging cutting-edge Microsoft technologies.
David Mann is a cofounder of Aptillon, a leading SharePoint-focused consulting company, and a five-time SharePoint MVP.