Our mission is to empower all companies, no matter their size, to build up trust with all their business partners and customers
Our mission :
Empower all companies, no matter their size, to build up trust with all their business partners and customers
The leadership team

Sylvain Cariou
Sylvain is an engineer specialized in blockchain applications. He works on new opportunities offered by blockchains, particularly decentralization, transparency, and interoperability. Sylvain is co-founder and CEO of Crystalchain, also working as Chairman of the ISO blockchain standardization commission for France.

Jean Piquet
Jean Piquet is a highly experienced strategy consultant. He worked for prestigious consultancy firms such as AT Kearney and Oliver Wyman before founding Paxton Management Consulting in 2010. PMC is specialized in strategic guidance for senior managers in the FMCG and retail sectors. Jean is one of Crystalchain’s co-founders and heads the team in charge of food & beverages.

Pierre Achach
Pierre Achach is a French entrepreneur. He has founded several companies in the raw materials sector such as wood, gold and petrol in several African countries and, in the ‘90s, tech companies in Silicon Valley. A co-founder of Crystalchain, he is a key contributor to the company’s commercial and financial strategy.

Philippe Robert
Pierre Achach is a French entrepreneur. He has founded several companies in the raw materials sector such as wood, gold and petrol in several African countries and, in the ‘90s, tech companies in Silicon Valley. A co-founder of Crystalchain, he is a key contributor to the company’s commercial and financial strategy.
The Crystalchain team

Karim Naghmouchi
Lead developer



Hugo Sereys
Account executive



Maxime Michelot
Communications manager



Augustin Firino Martell
Project manager



Stéphane Menez
Account executive



Bertrand Juglas
DevOps engineer



Yann Guéron
Quality Manager



Sami Fakhfakh
Development engineer



Sherralynn du Chayla
Marketing manager



Karim Naghmouchi
Lead developer



Hugo Sereys
Account executive



Maxime Michelot
Communications manager



Augustin Firino Martell
Project manager



Stéphane Menez
Account executive



Bertrand Juglas
DevOps engineer



Yann Guéron
Quality Manager



Sami Fakhfakh
Development engineer



Sherralynn du Chayla
Marketing manager
Our partners





















