Author Werner Lieblang

Werner Lieblang has more than 30 years of project experience in the areas of (test) process analysis and evaluation (TPI and SPICE), systematic testing and test management, software quality assurance, project management, agile methods and soft skills. Werner has co-developed several training courses in the field of testing and agile methods and, as a certified group worker, is a much sought-after workshop trainer and experienced team coach.

posts by Werner

The ISTQB has published a new syllabus for the Advanced Level Test Analyst in version 4.0.

New version released: ISTQB® Certified Tester Advanced Level - Test Analyst v4.0

Werner Lieblang

24 Feb 26

The ISTQB® Certified Tester Advanced Level – Test Analyst (CTAL-TA) focuses on the role of the test analyst (TA) as a p…

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ISTQB, Career in IT, IT training, Personal development, Software testing, Test Case Design, Certification

A man points to text on a two-colored background. The text reads: "Test management: basics, methods and best practices." The background is red on the left and blue on the right.

Test management: basics, methods and best practices

Werner Lieblang

28 Nov 24

In the world of software development, test management is a decisive factor when it comes to quality assurance. Test man…

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Agile software development, Agile testing, ISTQB

Do not fall into the boundary trap! (featuring ISTQB CTFL SYLLABUS 4.0)

Do not fall into the boundary trap! (featuring ISTQB CTFL SYLLABUS 4.0)

Werner Lieblang

13 Nov 23

As experienced testers we all know how equivalence classes and boundary values can help us with test case design. Espec…

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boundary value analysis, ISTQB CTFL Syllabus 4.0 2023, Software testing, Test Case Design