Ajantha Dahanayake is an assistant professor at Delft University of Technology and an associate professor at Open University in The Netherlands. She gives lectures on information systems engineering-related topics and is the program chair of the information systems and software systems distance education program at the Open University.
Waltraud Gerhardt worked as examinator of patents at Patent Office in Berlin, as scientist at School of Economy in Berlin, later as scientist and assistant professor at the University of Rostock, Department of Computer Science. From 1992 until 2000 she was a professor for Database Systems at Delft University of Technology. In 2000, she founded DELOBIS, a research and development oriented software company.