Rüdiger Haas is currently a Full Professor of space geodesy with the Department of Space, Earth and Environment, Chalmers University of Technology, Gothenburg, Sweden. He is the Head of the Research Group for Space Geodesy and Geodynamics and is responsible for the geoscience activities at the Onsala Space Observatory, Onsala, Sweden. His research is focused on space geodetic techniques, such as global navigation satellite systems, including global navigation satellite system (GNSS) reflectometry and very long baseline interferometry (VLBI).