Jeremy Cioara, CCIE, has worked in network technologies for over 12 years. He has numerous certifications, including CCIE, MCSE, and CNE. He is currently a technical instructor and author on several Cisco topics.
Chris Ward, CCNP, CCDP, is a senior technical instructor for KnowledgeNet, Inc., teaching a variety of disciplines, Cisco among them. He holds certifications in A+, Net+, iNet+, Microsoft MCSE 2000, and CCNA, CCDA, CCNP, CCDP, CWLDS (Wireless LAN Design Specialist), and is a Cisco Certified Systems Instructor (CCSI). Chris has co-authored, contributed, and technical edited on several books.