Jonathan Hassell

President -

The Sun Valley Group, Inc. -


Jonathan Hassell is an author, consultant and speaker residing in Charlotte, N.C. His books include RADIUS, Hardening Windows and, most recently, Windows Vista: Beyond the Manual.

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Deal ends in 30 minutes! Get your copy of my new book for PowerShell beginners, only $20.

11:31 PM - 30 Nov 15
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