Damon Garn has been a technical instructor for nearly 20 years, with a focus on Windows Server, Linux, and security. He has delivered thousands of hours of training, both in-person and online. He is the author or co-author of multiple CompTIA Official Instructor and Student Guides. Damon spent two years as a network administrator for US Figure Skating. He now runs Cogspinner Coaction, LLC, a technical writing and IT project company based in Colorado Springs, CO.