We take a bottom-line approach to each project for the success of our client's operations

- Paul Bougnoux. Founder, Psion Finance

Management Team

Paul Bougnoux


Paul Bougnoux Psion Finance

Paul has co-founded Largillière Finance (http://largilliere-finance.com/en) and founded Psion Finance. With a solid experience, he assists executives, shareholders and investors in their financing and M&A operations. He cumulates more than 50 deals in multiple sectors namely with Fintechs and investment funds (AXA, BNP Paribas, bpifrance,…).

Since 2016, he initiated the blockchain practice within Largillière Finance and he is a keynote speaker and well-known author in media.

He is the co-author of the white paper “Crypto-finance, émergence d’un nouveau marché mondial” in France Innovation published in January 2018 for the French government.

Paul is the co-founder of Olymp Capital, the first European investment firm dedicated to blockchain and digital assets (http://olymp.capital/).

Paul is advisor at the investment fund Black Tulip Capital and the innovative fintech accelerator Gate 31.

Paul is also lecturer at ESCP Europe for M&A and Crypto-Finance.

Paul is General Secretary and Board Member of the CNCEF (National Chamber of Financial Advisors).

He graduated from ESCP (Mastere of Audit and Advisory), ISC (Finance option).

Valéry Giard

Managing Partner

Valery Giard Psion Finance

Valéry has more than 20 years of experience in finance (M&A Citigroup & Financial markets BNP Paribas) and as an entrepreneur

He began his carrier in mergers and acquisitions at Citigroup in New York and London where he handled cross-border transactions of listed companies. He has also advised many Private Equity funds on their LBO operations in Europe

Valéry continued his career at Société Générale as a long / short equity trader. In particular, he has developed an investment portfolio dedicated to IPOs. More recently, Valéry has created a fintech dedicated to financing French SMEs. Valéry joined Largillière Finance in 2019. He is also a speaker at ESSEC and M2 Finance at Panthéon Assas

He graduated from ESSEC Business School (Specialized Master in Financial Technics) – Montpellier Business School (Specialization Finance)

Thomas Bureau

STO Corporate Supervisor

Thomas Bureau Psion Finance

Thomas acts both as Director at Largillière Finance and Corporate Supervisor at Psion Finance where he advises STOs, ICOs and AirDrop projects for international companies.

Thomas has acquired extensive financial expertise (10+ years) both in large private and public entities and as an entrepreneur.

He has begun his career in the structured finance departments of Natixis then at the French Ministry of Finance and at Siemens in structuring and advisory services to major international projects, particularly in energy and infrastructure (Middle East, Africa)

Thomas has then veered towards entrepreneurship by founding an M&A and fundraising advisory firm for innovative startups and SMEs in France and Europe and in parallel created an equity fundraising platform for European start-ups.

Quite active in the booming sector of tokenization, he has co-authored the White Paper: “Crypto-Finance: Emergence of a New World-Market" and is a regular speaker and guest at several conferences and other Blockchain / ICO events.

He graduated from Grenoble Management School (Master of Management – Major in Corporate Finance )

Jean-Baptiste Pavageau

Blockchain Expert

Jean Baptiste Pavageau Psion Finance

Jean-Baptiste is co-founder of Olymp Capital and Blockchain expert for Psion Finance.

Specialized in ICO / STO investments and blockchain project valuation, Jean-Baptiste has a deep experience of portfolio management in crypto-currencies and is an expert of blockchain industry.

After four years of trading on traditionnal financial markets, he started mining crypto-currencies in 2013. Since 2015 he is focused on ICO and token economics.

He is also the administrator of a large investment syndicate specialized in ICO and crypto-currencies (pools).

He graduated from ESSEC Business School (Master of Science in Management, Specialized in Finance).

Doctor of Pharmacy – PharmD (Grenoble Alpes University).

Elie Le Rest


Elie Le Rest Psion Finance

Elie specializes in the emerging market of Digital Securities.

After obtaining a master's degree in finance from ESCP Europe, he began his career at UBS Paris and then CACIB New-York, then turned to entrepreneurial projects, notably to participate in the creation of an algorithmic trading fund as well as setting up consulting missions on blockchain themes & digital assets.

He joined the team in 2018.

He graduated from ESCP Europe (Master in Finance).

Thomas Arebolle


Thomas Arrebolle Psion Finance

Thomas is highly passionate about the latest technologies’ outcomes and their significant economic influence.

He made internships in various strategical fields such as IoT, Software Development and Cybersecurity each time to develop new skills and to work in fast-paced environments. He has also developed experiences abroad in London, in San Francisco and more especially in Asia, in Shanghai and in Singapore, where he worked with multicultural teams.

He joined the team in 2019.

He is currently pursuing an engineering Master’s degree in Finance and Quantitative Engineering at ECE Paris, France.

Xiuhui Guan

STO/ICO Senior Analyst

Xiuhui Guan Psion Finance

Xiuhui GUAN acts as STO/ICO Senior Analyst at Psion Finance.

She was once investment manager of Bitblock Group, well-known Chinese blockchain fund and research officer of Bitwork Hub, famous blockchain advisory firm, cooperating with blockchain projects in China, France, Russia, South Korea and accumulating deep understanding of global blockchain market and ecosystem.

Xiuhui entered the domain of blockchain in 2017. With solid knowledge in finance and blockchain technology, she possesses rich experience in Tokenomics analysis, token modelling and overall project evaluation. Xiuhui once participated in token designs for several ICO/STO projects. She mainly focuses on STO and IEO now.

She graduated from ESCP Europe (Master in Management-Specialization: Finance and Law)