Emmanuel Letavernier, aged 48, is professor of Physiology and Hospital practitioner (PU-PH) at Sorbonne University and Tenon hospital in Paris (AP-HP). He belongs to the UMR S 1155 unit (Sorbonne/INSERM) directed by Dr Chatziantoniou and focuses his research on kidney stones and tissue calcifications (biomineralization). He developed a strong network of collaborations with physicists, chemists, biologists and physicians.