Henry Vallius is a marine geologist with a Ph.D. in geochemistry of Baltic Sea sediments and works as senior scientist at the Geological Survey of Finland. He has over 30 years of experience in marine science from research cruises in the Baltic Sea as well as the Atlantic Ocean. He acts as the coordinator of the EU funded EMODnet Geology project, which deals with collection, harmonization, and publication of marine data products from European seas and beyond. He also has a position as adjunct professor in marine geology and marine geochemistry at Åbo Akademi University, Finland.