Randy Williams is an enterprise trainer, SharePoint evangelist, and coauthor of several books.
CA Callahan, MCSE, MCSA, MCT, provides customized training and courseware for businesses and IT professionals.
Chris Givens, Microsoft MVP for SharePoint, MCT, CISSP, CCNP, is a SharePoint architect, trainer, and consultant.
Milan Gross is a SharePoint trainer and consultant specializing in architecture, planning, solution design, and governance.
Brian Alderman, MCT, MCTS, MCITP, MCSA, MCSE, PMP, is a trainer and consultant with 25+ years of Windows, Microsoft SQL Server, and SharePoint experience.
Javier Barrera is a senior lead engineer, architect, and administrator for a corporate team that supports hundreds of enterprise-level SharePoint farms.