From Mine to Market: Real‑World Solutions for ASM Gems & Gold | INHORGENTA 2026

Moderator: Dr. Laurent Cartier, Head of Special Initiatives, SSEF, Switzerland Speakers: - Brian Cook, Founder, Nature's Geometry, USA - Felix Durejka, Managing Director, Aurhen, Germany - Marcin Piersiak, CEO Europe, ARM - Alliance for Responsible Mining, Colombia Laurent Cartier is Head of Special Initiatives at the Swiss Gemmological Institute SSEF and a lecturer in gemmology at University of Lausanne & ELSTE, as well as being an affiliated associate professor at the University of Delaware (USA). He holds a PhD from the University of Basel (Switzerland). Laurent is co-founder of the Sustainable Pearls project. His PhD research explored sustainability and traceability issues in pearl farming. He also co-founded The Gemstones and Sustainable Development Knowledge Hub. His work has been reported by National Geographic, BBC, FastCoExist, Financial Times, Vogue and Tages Anzeiger. Brian Cook is a geologist and gem specialist who has supplied world-class minerals to top collectors and museums since 1983. His expertise in Brazilian gem discoveries, including original Paraíba tourmaline and spessartine garnet, has established him as a leading consultant in gem exploration and sourcing. A passionate advocate for responsible sourcing, Brian works to bring ethically-sourced materials into the jewelry supply chain to benefit mining communities and enhance industry sustainability. With his Brazilian wife Kendra, he founded Nature's Geometry Inc., a multi-generational lapidary and jew