István Forgács, Ph.D., was originally a researcher and published 30+ scientific articles. He was a speaker at several academic and industrial conferences. He is the co-author of the books “'Paradigm Shift in Software Testing”, “Practical Test Design” and “Agile Testing Foundations”. He introduced the two-phase model-based testing method. With his co-author Attila Kovács, they introduced three test design techniques. LinkedIn: https://www.linkedin.com/in/iforgacs/