About the Technical Reviewers

Prem Ananthakrishnan is currently a technical marketing engineer for the Cisco NAC Appliance (Clean Access) product. He is responsible for global scalability of the product, documentation, partner/system engineer training, and critical escalations to ensure successful deployments. Prem has more than five years of hands-on experience as a systems/network engineer and in implementing managed services for data center operations. Prior to his current role, he worked at Cisco Technical Assistance Center (TAC) handling various security products. Prem holds an MS degree in telecommunications from the University of Colorado-Boulder and a BSEE from the University of Bombay.

Niall El-Assaad, CCIE No. 7493, is the Cisco NAC Appliance product manager for Europe, the Middle East, and Africa. Niall joined Cisco in 2000 and supported financial services customers with Cisco security solutions prior to his current role. Previously, he worked for a Cisco partner as head of the communications team and for a financial services organization. With more than 14 years of experience in the communications and security fields, Niall's areas of expertise include network and host security design and implementation and routing and switching. His other certifications include CCNP and CCDP.

Sheldon Muir is a consulting systems engineer within Cisco for the Cisco NAC Appliance product. Sheldon came over to Cisco with the acquisition of Perfigo in November 2004 where, with Perfigo, he was solely responsible for all technical channel development for North America. Sheldon holds a degree from UNLV and has been involved in the IT industry for 20 years, holding certifications with manufacturers such as Cisco, 3Com, and Juniper/Netscreen, with a supplemental CISSP to his credit. Prior to working for Cisco and Perfigo, he worked as an area escalation engineer and pre-sales engineer for 3Com, specializing in VoIP during the industry's early adoption.