Team & Experts


Stefan Tittel

Stefan is a renowned serial entrepreneur. He has founded, successfully led and exited a number of FinTech companies such as Crossgate AG, Master-payment AG, and Traxpay AG. Stefan is the founder and CEO of Quantumrock.

Michael Morsch

Michael is an experienced Chief Financial Officer having worked for financial institutions as well as subsidiaries of stock listed companies such as SAP AG and Net1 UEPS Techno-logies. He is the co-founder and CFO of Quantumrock.

Étienne Schneider

Étienne is a former Deputy Prime Minister of the Grand Duchy of Luxembourg. He acts as chairman for numerous large companies such as Enovos, Creos, and Cegedel, and as an independent director, most notably for Arcelor Mittal S.A., Besix Group and Jan de Nul Group.

Frank Pressler

Frank is the Founder and CEO of Main Capital GmbH, a German investment banking boutique, and accompanied a large number of companies as part of their IPO. He was also board member of two German securities trading banks.


Maximilian Hemmerle

Maximilian is an expert in fine jewellery and gemstones and looks back on a family history in the industry of more than 180 years. He is the founder of RENÉSIM, Germany’s first online jeweller, and the creative force behind MXHM, his latest venture focusing on highly personalised jewellery designs.

External Experts

Our Management Team has assembled a group of leading external experts and providers to oversee each area of responsibility.

Stone Verification

Leading auditing firm BDO have conducted the stock taking of the rough gemstones to verify their existence, authenticity and quality.

Stone Appraisal

Caroline Mueller and Labgems (certified appraisers) have provided the value estimation of the stock of rough gemstones.

Preferred Vendor for Stone Processing

South Capital are a renowned mining and refining operation based in Brazil and have been mandated to execute the processing of the rough stones.

Account Bank

Société Générale S.A. (Frankfurt/Main Branch) are acting as the account bank for the certificate structure.

Legal Advisor

CMS DeBacker Luxembourg SCS are advising on the structuring of the Certificates.

Disclaimer & Legal Notice