The founder and managing partner of THE NATURAL GEM has more than 25 years of experience of international gemstone trading. With a doctorate in economics and international gemmological training (among others in Switzerland, the USA and India), he is one of Europe’s leading experts on natural, untreated gemstones and investments in them.
In 2017 his book „EDELSTEINE ALS INVESTMENT“(Investments in Gemstones) was published by GEWINN-Verlag. The first book of its kind, it offers profound insights into the world of precious gemstones. It covers both the mineralogical and the historical aspects of gemstones, explains what to look out for and outlines expected price developments.