Kathy Sierra was a co-developer of the SCJP exam and the SCEA exam. She was also a master trainer for Sun Educational Services, where she taught Java instructors. Kathy has worked for Sun Educational Services worldwide headquarters in the course development, customer training, and certification departments.
Bert Bates is a Sun Certified Programmer for Java and has been developing software for the last 20 years. He has participated in the development of the SCJP, SCEA, and SCWCD exams. He has also been teaching software development, including Java programming, for many years, with a particular interest and background in artificial intelligence.
Beth Robson has been programming the Web since the early days, when she built one of the first online resources for women in technology. She is author of Head First Design Patterns, Head First HTML and CSS, Head First JavaScript Programming, Head First HTML5 Programming, and Learn to Build iPhone Apps with HTML, CSS, and JavaScript.
