Tilo Linz has worked in the software quality assurance and testing field for more than 20 years. He is a founder and chairman of imbus AG, one of the leading service and product providers in this sector. In addition to his work at imbus, Linz focuses on vocational education and training opportunities for test experts. He helped initiate the International Software Testing Qualifications Board (ISTQB) and served as its president from 2002 to 2005. In 2002 he also founded the German Testing Board e.V. (GBT), where he was chairman on a voluntary basis until 2013. He is a co-author of
Software Testing Practice:Test Management and four editions of
Software Testing Foundations, and is the author of
Testing in Scrum (to be released in 2014). He is ranked among the most renowned experts in the field of software testing.
Thomas Rossner is cofounder of imbus AG. As a member of the board of directors, he is responsible for research and technology projects. In this function he has, in recent years, led several international research projects on, among others, software reliability and model-based testing. In addition, he is actively involved in test management projects and in consultancy projects on the subject of test process improvement.
Mario Winter is a professor at the Faculty of Computer Science and Engineering Science of Cologne Universityof Applied Sciences, and a member of the Software Quality Group. From 1983 to 1987, he was engaged in the execution and management of industrial and scientific engineering projects, and between 1994 and 2002, he was research fellow at the FernUniversityät Hagen. Currently he is spokesman of the working group on Testing, Analysis, and Verification of Software in the Software Technology unit of the German Informatics Society and a member of the German Testing Board. His teaching and research focus is on software development and project management, especially on the development and quality assurance of object-oriented software.