Juanita Ellis has been at the forefront in working with corporations in the areas of convergence, computer Security and e-business. Some of these companies include Sony, JCPenney, SWBell, Boeing, Xerox, Bell Atlantic, MCI, Citibank and Toyota. Currently, she works with companies in helping deploy voice and data networks, converged solutions, VPN security and call center applications. In addition, she was a technical manager at Lotus/IBM for the southern, mid-Atlantic, and eastern regions of the United States. As a technical manager, she was responsible for designing and architecting enterprise-wide applications that integrated with enterprise resource planning systems, Internet technologies, and relational and transaction-based systems. She is currently an independent consultant. Timothy Speed is an infrastructure and security architect for Lotus Professional Services (LPS), an IBM company. Tim has been involved in Internet and messaging security for the last 8 years. He has assisted with the Domino infrastructure at the Nagano Olympics and the Lotus Notes systems for the Sydney Olympics. Certifications include MCSE, VCA (VeriSign Certified Administrator), Lotus Domino CLP Principal Administrator, and Lotus Domino CLP Principal Developer. He and Juanita Ellis are the co-authors of books on Internet security and e-business.