David D. Coleman is the Director of Wireless Networking at the Office of the CTO for Extreme Networks. David is a technology evangelist, public speaker and proficient author. David travels the world for both customer and channel partner engagements, speaking events and training sessions. He has instructed IT professionals from around the globe in Wi-Fi design, security, administration, and troubleshooting. David has written multiple books, blogs, and white papers about wireless networking, and he is considered an authority on 802.11 technology. Prior to working at Extreme, he specialized in corporate and government Wi-Fi training and consulting. In the past, he has provided Wi-Fi consulting for numerous private corporations, the US military, and other federal and state government agencies. David is also the 2020 recipient of the Wi-Fi Lifetime Achievement Award. When he is not traveling, David resides in Atlanta, Georgia and Chapala, Mexico. David is CWNE #4 and is the co-author of Sybex Publishing’s “Certified Wireless Network Administrator (CWNA) Study Guide” – 6th Edition”
