General Management

The seasoned fund managers who founded Quaero Capital SA (formerly Argos Investment Managers SA) in 2005 had a common objective: to deliver genuine alpha by investing away from the crowds through a concentrated range of high-conviction strategies.

Jean Keller

Chief Executive Officer

Jean Keller joined Quaero Capital SA in 2011 as CEO.

Prior to joining Quaero Capital SA, Jean Keller was CEO of 3A (Alternative Asset Advisors), the alternative investment division of banking group SYZ in Geneva. From when he joined 3A in 2005, the group grew significantly from around USD 1bn to over USD 4bn at its peak. Jean Keller was also responsible for the development of the group in Asia, with the purchase of Oria Capital in Hong Kong.

Before joining the SYZ group, Jean Keller spent 11 years assuming various responsibilities within the Lombard Odier Group in Geneva, New York and London. From 2002 to 2004, he was CEO of Lombard Odier Asset Management Ltd in London and a member of the group’s Management Committee. He also co-headed Lombard Odier’s institutional asset management division and sat on the Asset Management Board.

From 1988 to 1992, he was Investment Manager and Investment Analyst with Baring Asset Management in London and Hong Kong, where he was involved in the management of various mutual and institutional funds.

Jean Keller holds a Degree in International Relations from the University of Geneva and a Master of Business Administration from the Wharton School of Business of the University of Pennsylvania, with a major in Finance.

Sébastien Bourget

Managing Partner, Head of Infrastructure

Sébastien Bourget joined QUAERO CAPITAL SA in 2014 as Head of Quaero European Infrastructure Fund and Managing Partner.

Sébastien has a strong expertise in infrastructure finance. He notably worked at Edmond de Rothschild since 2006 within the infrastructure and project finance advisory department, where he successfully led several landmark transactions in areas such as railways, motorways, social, utilities, renewables and telecom.

Sébastien gained a MPhil in private law from the University of Paris I – La Sorbonne and the Ecole des Hautes Etudes en Sciences Sociales, a MSc specialized in project finance from the Ecole Nationale des Ponts et Chaussées and the University of Paris X, and is graduated from the Rouen Business School (Neoma).

Thierry Callault

Head of Business Development

Thierry Callault joined QUAERO CAPITAL in 2013 as a Partner and Head of Business Development.

Thierry started his career at the Banque du Louvre in 1990 where he became Director of Strategies and was considered a pioneer for multi-management in France. He developed strategic relationships with top tier American asset managers like PIMCO, Western, Wanger, Third Avenue, Driehaus and Neuberger, who through his introduction were then able to develop their activities in France and continental Europe.

In 2003 he joined OFI Asset Management as CEO. Under his leadership the firm grew from 3bn to 50bn Euros asset under management. He was directly involved in the creation of several alternative multi-asset funds (OFI MGA, Zencap), infrastructure and real asset funds (OFI InfraVia) and fund incubators (AmLab and New Alpha).

Upon leaving OFI in 2012 he co-founded Blue Alpha, with the view to invest in newly created asset management companies and to help develop their brand and AuMs.


Myriam Ly

Head of Legal & Compliance

Myriam joined Quaero Capital SA in October 2018 as Head of Legal and Compliance.

Myriam is a dual qualified lawyer admitted to both the Paris Bar and the roll of solicitors in England and Wales. She has overall more than 10 years of experience in the field of finance and asset management law.

She started her career within the finance department of a magic circle firm in Paris before moving to London where her practice focused on asset management funds. She notably worked as a senior associate at Schulte Roth & Zabel International LLP where she gained experience on the establishment and structuring of private equity funds and hedge funds. She also advised investment managers domiciled in Switzerland, France and the UK on US and EU legal and regulatory developments.

Before joining Quaero Capital, Myriam was Legal and Compliance Officer for Edesia Asset Management, a commodities asset management group based in Geneva and regulated by the UK FCA, the Swiss FINMA, the SEC and the CFTC.

Myriam holds a Masters Degree in Business Law and Economics (with Honours) from the University of Paris I Sorbonne and a Masters Degree in Political Sciences from the Institut d’Etudes Politiques de Lyon.

Francesco Samson

Group Chief Operating Officer

Francesco Samson joined QUAERO CAPITAL SA on April 1st, 2017, as Group COO.

Francesco Samson started his career in 1990 with DuPont de Nemours in Geneva where he became head of sales of three products in Europe. He subsequently joined McKinsey in Geneva in 1996 where he focused on business development and restructuring related projects. From 1998 to 2004 he led the strategy for the EMEA region, building and leading two front office teams for the Citigroup Private Bank in Geneva. Francesco Samson then spent 10 years at EIM in Nyon, where he was Partner, Group COO and member of the Executive Committee, also overseeing business development and investment services. He joined Brevan Howard in 2014 as Head and COO of the Geneva office and a member of the Executive Committee of Brevan Howard Investment Products Limited in Jersey.

Fluent in French, Italian, English and German, Francesco Samson has an MSc from the Swiss Federal Institute of Technology (“EPFL”) in Lausanne, Switzerland, and an MBA from INSEAD in Paris with a major in Finance.