Hanna Kuhfuss is a marine & freshwater scientist, scientific diver, yoga teacher, and dedicated to environmental protection and sustainable solutions for aquatic ecosystems. Her academic journey includes a Magister Scientiarum (M.Sc.) in Biology, Geology, and Meteorology from the University of Freiburg and studies in Marine Sciences at the University of Queensland. She is Co-Founder and Head of Field Operations and Scientific Partnerships at rrreefs, leading efforts in coral reef rehabilitation through innovative 3D-printed clay reef systems. Her expertise includes marine mammal conservation and migration studies, climate change impact studies, marine microbiology, habitat reconstruction, and international Ocean Plastic and pollution management. Hanna’s work is driven by a passion for science-based and socially sustainable environmental protection, rehabilitation, and restoration of ecosystems and a deep commitment to tackling critical habitat loss.