The 2nd Annual Google Test Automation Conference (GTAC) at our New York office. Hadar Ziv and Kristina Windbladh. Specification-based Testing. Professor Hadar Ziv, with the Bren School of Information and Computer Sciences (ICS) at UC Irvine, has 20+ years of experience in academia and industry. Most recently, he presented his work at Google, Northrop Grumman, and the Southern California SPIN, and served on the program committee of the ROSATEA 2007 workshop. His most recent papers appeared in ROSATEA 2007, 2006, and the October 2006 issue of the Journal of Systems and Software (JSS). He has worked as consultant and change agent for several organizations wishing to upgrade their software development to include use cases, object-oriented analysis and design with UML, and corresponding test strategies. Hadar has provided consulting, training and mentoring to, among others, the Capital Group Companies, Fidelity National Title, Logicon (now Northrop Grumman), Beckman Coulter, and most...