Barnes, David

David Barnes, CCIE No. 6563, is a senior manager for Cisco Advanced Services based in Richardson, Texas. The group he manages specializes in network consulting for many of the largest Cisco customers and is responsible for providing technical expertise on all Cisco routing and switching products.

Basir Sakandar, CCIE No. 6040, has dual certifications in Routing and Switching and in Security. His current role at Cisco is as an advanced services engineer in the Richardson, Texas, office. He has helped with the design and implementation of various technologies for Fortune 100 companies.