Andreas Seitz studied information systems at the University of Regensburg and Technische Universität München and received his Master of Science in 2014. Andreas is a doctoral student at the chair for applied software engineering since the beginning of 2015. There, he is responsible for the lecture Patterns in Software Engineering with over 400 students each year. In this online course, Andreas oversees the topics system design and object design, including design patterns and architectural patterns. Furthermore, he will give an introduction into software testing.