Andreas Spillner is professor at the Hochschule Bremen (University of Applied Sciences) at the Faculty of Electrical Engineering and Computer Science where he is responsible for software engineering, especially quality assurance, and programming. He is founding member of the German Testing Board e. V. and was founder and chair of the German Special Interest Group on Software Testing (SIGIST, "Test, Analyse und Verifikation von Software").
Tilo Linz is CEO of imbus AG, a leading service company for software testing in Germany. He is president of the German Testing Board, and from 2002 to 2005, he served as president of the ISTQB. His work emphasis is on consulting and coaching projects on software quality management, optimizing software development, and testing processes.
Hans Schaefer is an independent consultant who lives and works in Norway. He is president of the Norwegian Testing Board. He has been consulting and teaching software testing methods since 1984. He organized the Norwegian Special Interest Group on Software Testing for Western Norway. He is involved in consulting, teaching, and coaching test process improvement and test design techniques, as well as reviews.
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