UCLouvain (Louvain-la-Neuve, Belgium) will host the 11th Isotopes in Biogenic Silica conference IBiS2024 from 29-31 May 2024. This meeting will bring together researchers from different disciplines who share a common interest in silicon, biogeochemical cycling and all of the isotopes associated with biogenic silica (support scientist at UCLouvain: S. Opfergelt).