Diana Huggins

Diana Huggins is currently an independent contractor providing both technical writing and consulting services. Prior to this, she worked as a senior systems consultant. Some of the projects she worked on include a security review of Microsoft's official curriculum, content development for private companies, as well as network infrastructure design and implementation projects.

Diana's main focus over the past few years has been on writing certification study guides. To complement her efforts, she also spends a portion of her time consulting for small- to medium-sized companies in a variety of areas and continues to work as an independent technical trainer.

Diana currently has her Microsoft Certified Systems Engineer (MCSE) and Microsoft Certified Trainer (MCT), along with several other certifications from different vendors. Although her focus is on the Information Technology industry, she also holds a bachelor's degree in education. Diana runs her own company, DKB Consulting Services. The main focus of the company is on developing certification training courseware and online practice exams, as well as content delivery.

Dennis Scheil

Dennis Scheil is an independent computer consultant and trainer. He has more than 20 years of experience on a wide range of hardware, software, and applications in both project management and technical capacities. Dennis has worked with numerous clients to develop cost-effective, well-designed, and user-friendly business systems. As an instructor and lecturer, Dennis uses his consulting background to help his audience understand complex technical issues in a business context, and he provides real-world scenarios to help illustrate the technical issues involved. Despite all of this, he has still maintained a sense of humor.

Dennis is a graduate of Syracuse University and holds a graduate degree from Princeton University in Germanic literature. He is a Microsoft Certified Systems Engineer + Internet (MCSE+I), a Certified Technical Trainer (CTT), a LAN Server Engineer (LSE), a Certified OS/2 Engineer, a Certified Network Professional (CNP), and an Accomplished Toastmaster (ATM). He has just been awarded the prestigious CAC (Certified Acronym Collector) designation, as well.

Ed Tittel

Ed Tittel has been writing about and training others on computing topics since the 1980s. He’s contributed to over 140 computer books, and written many thousands of Web and magazine articles. Perhaps best-known for creating the Exam Cram series of IT certification prep books, Ed writes regularly for Tom’s Hardware, various TechTarget Web sites, and InformIT. Contact Ed through his personal Website at www.edtittel.com, and check out his Vista musings at www.viztaview.com.