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Alexander Frenzel is Global Verification and Validation Lead in development projects for various haemodialysis machine product lines and Senior Expert for Test Management at Fresenius Medical Care Deutschland GmbH. Through his many years of experience in the development and verification of embedded software and systems, he has gained experience not only in medical technology, but also in the telecommunications, media and automotive sectors. In addition to his responsibility for the test organisation in the projects, Mr. Frenzel focuses on the strategic orientation and standard conformity of the test process design as well as the further development of internal guidelines and quality standards.
Alexander Frenzel is involved in the German Testing Board's ‘ISTQB® Certified Tester - Advanced Level - Test Manager’ working group. Here he would like to make his contribution to the further development of quality-conscious, efficient and applicable test management in order to provide people and companies with a valuable tool for the future-oriented use of testing and its management. As a speaker at national and international conferences, especially in the field of software development in medical technology, Alexander Frenzel has published various papers and presentations on the challenges of test management in agile development projects in normatively regulated environments since 2022.
Andrea Demuth has work experience in the field of quality assurance for 30 years. She’s responsible for general QA and deployment of testing platforms of all deliveries and the release management at DATEV eG.
Since January 2018 her focus is on planning and release of DATEV products in cooperation with general QA. Formerly she worked for eleven years at DATEV in the sector of test automation, performance measuring, in-house customer support and reporting. From 1987-1997 she worked on the implementation of an overarching quality assurance at the host of a DATEV control tool.
Andreas Wübbeke has been Professor of Software Engineering at the South Westphalia University of Applied Sciences in Soest since 2022. His research focuses on the quality assurance of VR applications and AI-based data management in an agricultural context. He is also interested in the agile transformation of companies and the teaching of agile methods in this context.
Previously, he was head of the data management product area at CLAAS E-Systems and head of software quality assurance in research and development at Wincor Nixdorf.
Andreas Wübbeke completed his doctorate at the University of Paderborn in the context of quality assurance for software product lines.
Christoph Menke completed his studies in technical computer science in 2009 and has since held various roles as a test manager, team leader, site manager, consultant and product manager within the IT industry. He has been an Executive Consultant and Deputy Head of Product Quality Engineering at MaibornWolff since 2022. He is also a regular lecturer at Bremen University of Applied Sciences.
Dr. Elmar Juergens did his doctorate in static code analysis and was awarded the Software Engineering Prize of the Ernst Denert Foundation. He is a co-founder of CGSE GmbH and has been supervising teams during the improvement of their quality assurance and test processes for ten years. Juergens speaks regularly at research and industry conferences and has received several awards for his talks. In 2015 Elmar Juergens was nominated a Junior Fellow of the German Informatics Society.
Matthias Groß is a partner at TestGilde GmbH and has been working as a consultant for software quality assurance and test management since 2007. His focus is on operational test management, the introduction and optimisation of test management structures and the support of test services for customers.
He has been active at the Baden-Württemberg Cooperative State University since 2008, supervising project and bachelor theses and giving the lecture ‘Quality assurance for software products’ for many years. He gained international experience at a test centre in Cairo, where he gained extensive insights into test outsourcing.
Tilo Linz has been working in the software quality assurance and testing field for more than 20 years now. He is one of the founders and chairman of imbus AG – one of the leading service and product providers in this sector.
Beside imbus Tilo Linz’ commitment particularly focuses on the vocational education and training opportunities for test experts. He helped to initiate the International Software Testing Qualifications Board (ISTQB) and launched it as first chairman (2002-2005). In 2002 he also founded the German Testing Board e.V. (GBT), where he was chairman on a voluntary basis till 2013.
Not least through his publications as (co-)author of the books “Software Testing Foundations”, “Software Testing Practice:Test Management” and “Testing in Scrum”. He is ranked among the most renowned German experts in the field of software testing.
Thomas Roßner is one of the founders of the company imbus AG, and since 2001 he has been the Chief Technology Officer. He has many years of practical experience in the planning and development of software tests as well as the set-up of test organisations in a number of different fields, including GSM infrastructure, energy technology and healthcare technology. Thomas Roßner has managed research and development projects, both internally at imbus and at a national and international level, and he is currently in charge of the German development project “TestBalance”. This involves developing completely new procedures and tools that can optimally offset the expense of quality assuring measures with the expected costs resulting from errors and defects that occur during software development. In addition, the CTO is also a qualified assessor. Furthermore, he is the co-author of the iX-study “Software Test Management” and "Model based Testing" as well as being the co-author of the book “Practical Knowledge of Software Testing – Test Management“ and "Basic Knowledge Model Based Testing".
Ursula Beiersdorf worked as a test consultant for more than 30 years. She recently changed her perspective by moving to a large manufacturing company to lead a test management service team. Here she can also contribute her community experience as moderator of the Hamburg Software Test User Group (StugHH) or as one of the organisers of the Hamburg QA Barcamp.