Alexander Streeb

Alexander Streeb has established investment-grade colored gemstones in Germany as a structured and transparent asset class.
His aim is to make this tangible asset accessible in a way that allows its quality, origin, and value to be verified at any time.

With over 35 years of experience in the financial services industry—and as co-founder and long-time board member of a German asset management company with approximately €300 million under management—he has in-depth expertise in building and protecting asset-based wealth.
His background in finance, combined with advanced qualifications in business leadership, shapes his structured and entrepreneurial approach.

Building on this experience, he has transferred institutional standards and clear quality processes to the gemstone market.
His focus is on transparency, traceable structures, and the consistent positioning of colored gemstones as a stable, long-term tangible asset.

Alexander Streeb regularly appears in lectures, interviews, and webinars.
His analyses of market mechanisms, valuation frameworks, and certification processes are available in the media library.

Oliver Kleimaier

Oliver Kleimaier is responsible for the commercial management and sales of the German Gemstone House.

Since joining the German Gemstone House, he has contributed significantly to combining proven financial strategies with the world of investment-grade colored gemstones.

With formal banking training (IHK) and many years of experience, he identifies market opportunities early and develops clear, secure, and sustainable investment strategies for his clients.

In the media library, Oliver Kleimaier explains the economic fundamentals of the gemstone market and provides context on supply, demand, and price formation.