David Kim is president and chief security officer for Security Evolutions, Inc. (SEI), located outside Washington, D.C., in Fairfax, Virginia. SEI provides IT security training and consulting services for organizations around the world. SEI has specific expertise and experience in VoIP and SIP layered security solutions where privacy data may encompass both data and voice communications. Mr. Kim's IT and IT security experience encompasses more than 20 years of technical engineering, technical management, and sales and marketing management. This experience includes LAN/WAN, internetworking, enterprise network management, and IT security for voice, video, and data networking infrastructures. Previously, Mr. Kim was chief operating officer of (ISC)2 Institute located in Vienna, Virginia, where he was responsible for content development, educational products, and educational delivery for (ISC)2 (www.isc2.org) and its IT security professional certifications.