Emmett Dulaney (CompTIA Network+, Cloud+, Security+, A+, and others) is the author of numerous books on certifications and operating systems. He is a columnist for Certification Magazine and Campus Technology. He is also an associate professor at a small university and the author of the CompTIA A+ Complete Study Guide and the CompTIA Security+ Study Guide.

Mike Harwood (MCSE, A+, Network+, Server+, Linux+) has more than 14 years of experience in information technology and related fields. He has held a number of roles in the IT field, including network administrator, instructor, technical writer, website designer, consultant, and online marketing strategist. Mike has been a regular on-air technology contributor for CBC radio and has coauthored numerous computer books, including the Network+ Exam Cram published by Pearson.