Graham Bath's experience in testing spans over 25 years and has covered a wide array of domains and technologies. As a test manager, he has been responsible for the testing of mission-critical systems in spaceflight, telecommunications, and police incident control. Graham has designed tests to the highest levels of rigor within real-time aerospace systems such as the Eurofighter military aircraft. As a principal consultant for the T-Systems Global Delivery Unit "Testing Services," he has mastered the Quality Improvement Programs of several major companies, primarily in the financial and government sectors. In his current position, Graham is responsible for the company's training and test-consulting programs. Graham is co-author of the ISTQB Expert Level syllabus, Improving the Test Process. He is a long-standing member of the German Testing Board and is chairman of the ISTQB Expert Level working group. Judy McKay has spent the last 25 years working in the high tech industry, with particular focus on software quality assurance. She has managed departments encompassing all aspects of the software lifecycle, including requirements design and analysis, software development, database design, software quality assurance, software testing, technical support, professional services, configuration management, technical publications, and software licensing. Her career has spanned across commercial software companies, aerospace, foreign-owned R&D, networking, and various Internet companies. Judy runs a consulting and training business in the spare time from her "real job." Her courses are based on the real-world application of practical data, and cover the spectrum of software quality assurance, including creating and maintaining a world-class quality assurance team, designing and implementing quality assurance and effective testing, and creating and implementing useful test documentation and metrics.