About the Technical Editor

David Duffey is a Red Hat Certified Architect, Security Specialist, and Instructor and was the first Ubuntu Certified Instructor in the United States. He has worked with Dell as a Senior Business Development Manager for Red Hat and has worked with Canonical on their Ubuntu Server curriculum. David founded TreeO Technology in 2007, where he provides management consulting to companies using open standards.

David holds undergraduate degrees in Mathematics and Computer Science from Kansas State University and an Executive MBA from The University of Texas. He resides in Austin, Texas with his wife and daughter.

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