Steffen Frey is a postdoc in Thomas Ertl's lab at the Visualization Research Center of the University of Stuttgart. His research primarily focuses on performance-related aspects in scientific visualization. Steffen has made research contributions in situ visualization, (dynamic) parameter tuning and performance prediction, the analysis of time-dependent data, image-based visualization, as well as scheduling for interactive visualization. He also serves on numerous committees in the field. He has a diploma in computer science and a Ph.D. in visualization, both from the University of Stuttgart.