Sciences naturelles, physiques et mathématiques, Institut grand-ducal de Luxembourg • Until March 2026: Science director of the Luxembourg Institute of Science and Technology (LIST) Prior experience on Antarctica: Study of cryptoendolithic cyanobacteria in Antarctic sandstone A red-sheathed unicellular cryptoendolithic Antarctic blue-green alga. ACME Newsletter 6, 1985. Blue-green algae of the Antarctic cryptoendolithic habitat. ACME Newsletter 6, p. 3, 1985. Core research areas: Microbiology of extreme environments (biodiversity, taxonomy, ecology, ecophysiology) Research methods: microscopy, microbial cultures, molecular biology, gaz exchange Expertise & perspective