LONDON, 15 March 2022 – Bryan, Garnier & Co, the leading independent investment bank for European healthcare and technology companies has elected two partners and made 11 Managing Director promotions across the firm.  

The newly elected partners are Clifford Siegel, Chairman of Bryan Garnier and Christophe Alleman, Co-Head of the firm’s Equity Capital Markets team. 

Olivier Garnier, Managing Partner of Bryan Garnier said: “We are delighted to welcome both Cliff and Christophe to the partnership this year, following a landmark year for our firm. We are also pleased to announce the promotion of 11 new Managing Directors. We look forward to their ongoing success at Bryan, Garnier & Co as they continue to provide outstanding results for clients, driven by sector-specialist knowledge and flawless deal execution capabilities supported by our full-service platform.” 

About Bryan, Garnier & Co 

Bryan Garnier is the world’s leading independent full-service investment bank for European healthcare and technology-led companies and their investors. Clients benefit from our relentless commitment to their long-term success, unparalleled insights into these strategically important sectors and strong relationships with investors – from private equity and venture capital to institutional investors across the US, Europe, and Asia. 

Our corporate clients operate in high growth, fast moving sectors and many are disruptors focused on solving some of the most important sustainability challenges facing the world today. As a sector driven investment bank, our advice is rooted in deep industry knowledge with a global perspective, and clients benefit from our full-service platform and product expertise that will accelerate their long-term success.   

We partner with clients for the long term throughout their lifecycle, providing them with ideas, access to public and private capital and M&A advisory with flawless execution. Our highly experienced equity research team thinks beyond the obvious to provide compelling and differentiated insights and investment themes to our corporate and investor clients, giving them that important competitive edge.  

Our independence and entrepreneurial culture, which come from being a 25-year-old partnership ensure complete alignment with our clients. Our purpose, which is to help European pioneers become global champions, has been constant since the bank’s foundation 25 years ago and remains why clients continue to choose Bryan Garnier as their partner for the long term. 

New Managing Directors


Jonathan Bohbot

Investment Banking I Software and Tech-Enabled Services

Jonathan Bohbot photo

Sebastian Schirl

Investment Banking | NextGen Consumer

Sebastian Schirl photo

Marc-Antoine Janny

Investment Banking I Software

Marc-Antoine Janny photo
New Managing Director

Industrial Tech

Sanjin Goglia

Investment Banking | Industrial Tech

New Managing Directors 


Romain Ellul

Investment Banking

Romain Ellul photo

Paul de Mestier

Investment Banking | Healthcare

Luc Springinsfeld

Investment Banking

Luc Springinsfeld photo
New Managing Director 

Energy Transition & Sustainability

Jonathan Foiret

Investment Banking

Jonathan Foiret-Hurbin photo
New Managing Director

Business & Tech-enabled Services

Cyrille Serve

Investment Banking

New Managing Director

Equity Capital Market

Jérôme Guyot

Equity Capital Markets

New Managing Director

Equity Research

Dylan Van Haaften

Equity Research