Mioara Mandea is a Professor and Programme Manager for Solid Earth at the Centre National d'Etudes Spatiales, France. She is also chair of the Outreach Committee of the European Geoscience Union, and General Secretary of the International Association of Geomagnetism and Aeronomy. She has received the International Award of the American Geophysical Union (AGU), the Petrus Peregrinus Medal of the European Geosciences Union (EGU), and the prestigious French 'Ordre National de Mérite'. Monika Korte is a head of the working group for geomagnetic field evolution at the GFZ German Research Centre for Geosciences, Germany. She is also an associate researcher at the Institute of Geophysics and Planetary Physics, Scripps Institute of Oceanography, University of California. She is vice-president of IAGA, and editor for Geophysical Research Letters of the American Geophysical Union. Andrew W. Yau is a Principal Investigator for the Enhanced Polar Outflow Probe (e-POP) satellite mission, and Professor in Physics and Astronomy at the University of Calgary, Canada. He is a member of the IAGA Executive Committee, and Editor for Geophysical Research Letters. He has worked on several international space science satellite missions. Eduard Petrovsky is Deputy Director at the Institute of Geophysics in the Czech Academy of Sciences, Czech Republic. He is also president of IAGA, editor of Geophysical Journal International, and an Associate Professor at the University of Helsinki and Charles University, Prague. His current research focuses on basic rock magnetism and its environmental applications.