Mike Valentine has been in the IT field for 12 years, focusing on network design and implementation. He is currently a Cisco trainer with Skyline Advanced Technology Services and specializes in Cisco Unified Communications instruction as well as CCNA and CCNP courses. His accessible, humorous, and effective teaching style has demystified Cisco for hundreds of students since he began teaching in 2002. Mike has a bachelor of arts degree from the University of British Columbia and currently holds the MCSE: Security, CCDA, CCNP, CCVP, CTP, Convergence+ and CEH certifications. In addition to the popular Exam Cram 2: CCNA book, Mike has contributed to and served as technical editor for the Cisco Press titles CCNP ONT Official Exam Certification Guide and CCNA Flashcards and is currently on the courseware development team for the new Cisco UCAD (Unified Communications Architecture and Design) course.
Andrew Whitaker (M.Sc., CISSP, CCVP, CCNP, CCSP, CCNA, CCDA, MCSE, MCTS, CNE, CEI, CEH, ECSA, Security+, A+, Network+, Convergence+, CTP) is the Director of Enterprise InfoSec and Networking for Training Camp, an international training company that helps certify thousands of IT professionals each year through its unique accelerated learning model. His expert teaching for Training Camp has garnered coverage by The Wall Street Journal, The Philadelphia Inquirer, Certification Magazine, and Business Week magazine. In addition to coauthoring Exam Cram 2: CCNA, Andrew coauthored the Cisco Press title Penetration Testing and Network Defense and has contributed articles on Cisco certification for CertificationZone. Andrew is currently working on authoring and technical editing other book projects.