Daniel P. Newman has been in the computer industry for more than 11 years, working as a consultant, systems integrator, programmer, development manager, and technical trainer for projects all over the world. As a systems integrator, Daniel has implemented several computer and network solutions to a wide variety of industries, ranging from titanium plants, diamond mines, robotic-control systems, and secure Internet banking. The exposure to countries such as Australia, Brazil, Canada, Chile, Malaysia, New Zealand, the United States, and the United Kingdom has given him expertise in presenting and implementing computer network solutions despite various cultural challenges and language barriers. Daniel is currently working as a senior technical trainer for Cisco and Microsoft products. He holds the following certifications: CCNP, CCDA, CSS1, CCSP, INFOSEC, MCSA, MCSE, MCDBA, MCT, A+, Network+, I-Net+, Server+, Security+, and Linux+. Daniel has also authored the Cisco PIX Firewall CSPFA 642-521 and has been a technical editor for CSI Safe 642-541 certification books in the CCSP Exam Cram 2 series. In his free time, when he is not trying to learn about the inside details of computing, Daniel enjoys hiking, scuba diving, Tai-Chi, and Aikido.
Kristina Maria Manalo has more than 12 years of experience writing for scientific, business, and information technology audiences. Having supported IT projects as technical writer, systems engineer, project manager, and strategy consultant, Kristina brings both breadth and depth to her work. Drawing from her experience with multinational organizations spanning the academic, pharmaceutical, finance, retail, and telecommunications industries, Kristina's work is both immediate and relevant. Her career in information and communications technology extends from North America to Europe, the Nordic region, North Africa, and Asia Pacific; it embraces both established and emerging terrestrial and wireless network technologies. She has earned certifications as MCSA, CCNA, CCDA, CCNP, Cisco Firewall Specialist, and Cisco IDS Specialist and is currently pursuing her CCSP. In addition to studying literature at Warwick University in Coventry, England, she holds a bachelor's of science degree in molecular biology from the University of Wisconsin-Madison. When she's not busy installing and configuring satellite wide-area networks, Kristina enjoys both technical and nontechnical writing, playing the piano, running, and exploring London and the English countryside.