David Bateman, CCNA, is a certified Cisco Systems instructor with more than 18 years of internetworking experience. For more than 10 years, David was a senior LAN/WAN engineer, working on both large and small networks. Later in his career, he managed the business operations of a technical services company while maintaining his existing client base. David has always enjoyed sharing his knowledge, and in 1999, he became a technical seminar leader. After many successful seminars, he became a full-time Cisco instructor for Skyline Advanced Technology Systems. He has been teaching and implementing Cisco voice technologies since 2000. David's years of real-world technical and business knowledge enable him to bring a unique perspective to the classroom, where he not only delivers critical technical knowledge but can also explain how technologies can be used to address various business issues.
David J. Batemanis a certified Cisco instructor with more than 20 years of internetworking experience. In addition to teaching, he is involved in authoring courses and books, including Configuring Cisco CallManager and Unity: A Step-by-Step Guide, published by Cisco Press. David currently is the director of curriculum development for Skyline-ATS. His years of real-world technical and business knowledge allow him to bring a unique perspective to the classroom, where he not only delivers critical technical knowledge but also explains how technologies can be used to address various business needs.
William E. Burton,CCSI, CCIE No. 1119, CCVP, CCNP, CCVA, CCNA, is an author, instructor, and IT implementer with more than 35 years of experience. Mr. Burton’s experience includes small to global network architecture and deployments for federal agencies, state and local governments, corporations, and educational institutions. He also has extensive programming experience in the telephony arena at AT&T Long Lines and Bell Labs.