| About David R. Miller, John Policelli, Paul Mancuso, Orin Thomas, Ian McLean, and J.C. Mackin, with GrandMastersDavid R. Miller, MCITP, MCT, CISSP, is an IT and networking engineering consultant, instructor, and author. |
Paul Mancuso, MCITP, MCT, is a consultant, trainer, and author with 20+ years of industry experience.
John Policelli, MVP, is an IT consultant specializing in Active Directory, architecture, security, and strategic planning.
Orin Thomas, MCITP, MCT, MVP, is an IT consultant and the author of several Microsoft Press Training Kits.
Ian McLean, MCITP, MCSE, MCT, has 40 years of commercial and academic experience and runs an IT consulting firm.
J.C. Mackin, MCITP, MCSE, MCT, is a consultant, trainer, and author with 10+ years of experience with Windows networking.
GrandMasters specializes in IT content development, exam development, and custom technical support.