Denise Donohue, CCIE No. 9566, is a Sr. Solutions Architect with ePlus Technology. She works out of the US Mid-Atlantic region designing data and VoIP networks for companies. Prior to that, she was a design engineer with AT&T, and a Cisco instructor and course director for Global Knowledge. Her CCIE is in Routing and Switching.
David Mallory, CCIE No. 1933 (Routing and Switching/WAN Switching/Security/Voice), has over 15 years of experience and is a technical education consultant for Cisco System's and is the lead on the new Cisco Implementing Gateways and Gatekeepers (GWGK) course and exam.
Ken Salhoff, CCIE No. 4915 (Routing and Switching/Voice), is a systems engineer for Cisco System's Enterprise Field Sales group with over 18 years experience and has worked with voice technologies since 1992.
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