Tangi Le Calvez

Founder & CEO

Former investment banker and trader of equity derivatives at BNP Paribas, Tangi completed numerous M&A transactions, IPOs and successfully managed a derivatives portfolio worth €2bn in nominal value in the midst of the 2008 financial crisis. He also held CFO positions for several tech companies, Tangi brings his knowledge of financial markets, structured products and new technologies.

Emmanuel Levi-Valensi

Founder & CTO

Former developer, CTO & CEO in several software and IT consulting companies, Emmanuel developed a strong understanding of banking IT infrastructure and platform developments. He also held CHRO positions in several tech companies and brings his HR management skills to the project.

Benoit Méchineau


After 8 years spent at Vivendi Universal where he hold several managing roles, Benoit worked on positions with strong digital involvment : first as Marketing Director and Worldwide Operations for an Internet startup, then as Worldwide e-commerce Director. Before joining GOin, Benoit was Marketing Director of one of European vocational training leaders.

Guillaume Evrat

Blockchain Lead Developer

Former blockchain developer and architect in ENGIE and BNP PARIBAS, Guillaume spent the last four years working in the blockchain ecosystem. He gained some of his experience working for several blockchain companies in the last few years. He started working around bitcoin technology before switching to Ethereum and Corda technologies. Guillaume has also a strong knowledge in financial engineering, he gained working in a hedge funds in the past.

Frédéric Rensonnet


Former trader of futures at Banque Indosuez, member of the market makers team on the MATIF Notionnal contract, founder of Cofam Energy in 2008 and former magistrate in the commercial court of Versailles, Frederic is also an early adopter of virtual currencies. He also held executive positions in the field of custom transition management.

Aymeric Pintaud

Investor Relations

Former Financial Analyst in investment banking, Aymeric advised and completed several transactions such as mergers and acquisitions, LBO or private equity financing. After being involved in cash management for a European insurance broker, he held CFO positions for tech companies ranging from artificial intelligence to industrial quantum cascade laser. He has 12 years of experience and has a strong knowledge in financial environment.

Marion Kurzawa

Structuring & Trading

Marion worked as a financial analyst for various companies from publicly-traded to SMEs. She developed a strong understanding of traditional and non-traditional finance through her academic and professional experiences in Europe and in the US. Marion is a graduate from ESCP Europe with a specialization in Legal & Financial Engineering.

Paul Wallaert

Communication & Community Management

Former head of customer success in a French leading Ed-tech company, Paul administered up to 500 B2B customers, in France and abroad. He deployed and followed the uses of SAS and software solutions in school and regional authorities. He also held marketing advisor positions in several companies, mostly in the e-business sector. Paul brings his customer-oriented vision and his knowledge in data mining and analysis.