| About Orin Thomas, John Policelli, Ian McLean, J.C. Mackin, Paul Mancuso, and David R. Miller, with GrandMastersOrin Thomas, MCSE, MCITP, MVP, is a system administrator, author, and contributing editor for Windows IT Pro magazine. |
John Policelli, MCTS, MCSA, MVP, is an IT consultant specializing in architecture, security, and strategic planning.
Ian McLean, MCITP, MCTS, MCSE, has 40 years of commercial and academic experience and runs an IT consulting firm.
J.C. Mackin, MCITP, MCSE, MCT, has 10+ years’ experience with Microsoft networks and is an IT consultant, trainer, and author. Paul Mancuso, MCITP, MCSE, MCT, has been an instructor, consultant, and writer in the IT field for 20+ years.
David R. Miller, MCITP, MCT, CISSP, is an IT and networking engineering consultant, instructor, and author.
GrandMasters specializes in IT content development, exam development, and customized technical support.