Ralf completed a German Diploma of Natural Resource Planning and later a Master Sc. degree in Geospatial Science at University of Queensland (UQ) in 2006. He has been working in the area of spatial analysis since then, including remote sensing science, natural resource planning, geoscience and health geography. He has been part of establishing the first 20-min neighbourhood model (Deakin University) for Melbourne and Adelaide. He is now working on iMap/Neighbourhood study at ACU.