Dr. Boris Beizer received a PhD in computer science from the University of Pennsylvania in 1966. He has written twelve books, ranging from system architecture to his well-known pair on software testing -- Software Testing Techniques and Software System Testing and Quality Assurance -- both considered standard references on the subject. His latest book is Black Box Testing, an introduction to testing technology. He directed testing for the FAA's Weather Message Switching Center and several other large communications systems. He has been a speaker at many testing conferences and is also known for his seminars on testing. He consults on software testing and quality assurance with many organizations throughout the world.