Stefanos Karampelas has experience as a Research Scientist for a period of 7 years at Gübelin Gem Lab with a further year at Gem Research Swisslab, both in Switzerland. He has published over 40 research papers on gems in various scientific journals, contributed to books, delivered various lectures and visited several gem mines and pearl farms around the globe. He is a member of the Editorial Board of Gems and Gemmology and an Associate Editor of The Journal of Gemmology. He is also a member of a commission of gem materials of the International Mineralogical Association (IMA) and a delegate of the International Gemmological Conference (IGC).
Stefanos is lecturing on the Advanced Gemmology Diploma at the University of Nantes, France, on pearls, laboratory methods applied on gems as well as origin determination of coloured gems and in parallel he is a member of the Diploma’s thesis committee.
Stefanos holds an Advanced Gemmology Diploma from the University of Nantes and a PhD in Materials Physics from Institut des Matériaux Jean Rouxel (IMN), Nantes, France and in Mineralogy from Aristotle University of Thessaloniki, Greece. He also holds a MSc in Geosciences from the University of Rennes, France and a BSc in Geology from Aristotle University of Thessaloniki, Greece.