Dr. Alexander Van Driessche is connected to the University of Granada and is an expert in the field of Chemical Kinetics, Chemical Thermodynamics and Materials Chemistry. Prof Liane G Benning is Professor of Experimental Biogeochemistry and connected to the School of Earth and Environment at Leeds University. Her research addresses geochemical reaction mechanisms at low to hydrothermal temperatures in inorganic and biologic systems.Field-work in the last few years included geothermal extreme environments in Iceland and New Zealand and cryogenic extreme environments (cold deserts) in the European Arctic (Svalbard, Greenland, Iceland).Professor Dennis Gebauer, works for the university of Konstanz in Konstanz and is since 2014 a member of the executive board of the Graduate School of Chemistry of the Chemistry department of that same university. Besides, being a member of the management Committee of the COST action TD0903 and a member of the ScientificStaff of the Max Planck Institute. Dr. Mathias Kellermeier is connected to BASF after receiving his PhD summa cum laude n Co-Mineralization of Alkaline-Earth Metal Carbonates and Silica" at the university of Regensburg in 2011.