Glenn E. Weadock, MCITP, MCSE, MCSA, MCT, A+, is the president of ISI, which he founded in 1982 after graduating from Stanford University's engineering school. ISI provides expert witness, consulting, and training services in the IT field with a focus on Microsoft netwroking technologies.

As a consultant to the legal profession, Glenn advised the U.S. Justice Department in the Microsoft antitrust case and was also an expert witness. Glenn has also consulted and/or testified in other patent cases, including IBM v. Amazon and Charles E. Hill & Associates v. Amazon.com Inc., America Online Inc., Buy.com Inc., et al.

Author of 18 commercial books (click to view) and 2 electronic books, Glenn has written for the famous Dummies series, as well as books on web design, MCSE certification, and the Windows Registry.

Glenn is a Microsoft-Certified Trainer, Microsoft-Certified Information Technology Professional, Microsoft-Certified System Engineer, Microsoft-Certified System Administrator, and a CompTIA-certified A+ technician. He developed several seminars and video courses for Data-Tech Institute, co-authored two Microsoft Official Curriculum courses on Windows Server 2008, and has taught PC and network troubleshooting, design, and support to thousands of students in the US, UK, Canada, and Southeast Asia.

Glenn currently teaches several Microsoft seminars for Global Knowledge and has written many technical white papers for Global as well.

Glenn has a Bachelor of Science in Engineering, With Distinction, from Stanford University, where he was elected to Phi Beta Kappa and Tau Beta Pi honor societies.