Dr. Roland Petrasch worked as a professor and researcher for software engineering at universities mainly in Germany. He previously worked as a software engineer at Nixdorf and Lufthansa. He currently works as an independent researcher and consultant. He was a speaker at international conferences and published books and articles (see ResearchGate.net). His latest book is about Data Quality (dqman.org). His current research interests include Semantic Layer for AI Applications, Spec-Driven Development, Data Quality.