Haakon Fossen is Professor of Structural Geology at the University of Bergen, Norway, where he is affiliated with the Department of Earth Science, the Natural History Collections, and the Centre for Integrated Petroleum Research (CIPR). His professional career has involved work as an exploration and production geologist/geophysicist for Statoil and as a Professor at the University of Bergen (1996 to present), in addition to periods of geologic mapping and mineral exploration in Norway. His research ranges from hard to soft rocks and includes studies of folds, shear zones, formation and collapse of the Caledonian Orogen, numerical modeling of deformation (transpression), the evolution of the North Sea rift, and studies of deformed sandstones in the western United States. He has conducted extensive field work in various parts of the world, notably Norway, Utah/Colorado, and Sinai, and his research is based on field mapping, microscopy, physical and numerical modeling, geochronology and seismic interpretation. Professor Fossen has been involved in editing several international geology journals, has authored over 90 scientific publications, and has written two books and several book chapters. He has taught undergraduate structural geology courses for over ten years and has a keen interest in developing electronic teaching resources to aid student visualization and understanding of geological structures.