Deborah Gewinner
Head of Legal & Compliance

Deborah Gewinner joined Quaero Capital SA in Geneva in June 2023 as Head of Legal & Compliance.
She is a director of several UCITS and AIFs funds in Europe.
Previously Deborah was the Head of Legal & Compliance for Boussard & Gavaudan group and a shareholder of Boussard & Gavaudan Asset Management LP.
Prior to Boussard & Gavaudan Group, she held management positions at the French financial services regulator, the Autorité des Marchés Financiers (AMF), for 9 years.
Deborah holds a Master’s degree in Business Law from the University Robert Schuman Strasbourg.
Tony Fernandes
COO & CCO, Quaero Capital LLP

Tony Fernandes joined Quaero Capital LLP (formerly Tiburon Partners LLP) in 2004 as Technology and Operations manager. He took on the role of Chief Operating Officer and Chief Compliance Officer in 2024.
Since joining the firm in 2004, he has been involved in the development, implementation and maintenance of the group’s extensive IT infrastructure, operations processes, risk management, compliance and regulatory training frameworks as well as co-managing the London business.
Prior to joining the firm, Tony ran his own business programming and developing websites and other web platforms.
Carole Guillon
Compliance Officer

Carole Guillon joined Quaero Capital SA in 2010 as a member of client services and operations team.
Over the years she has had the opportunity to broaden and deepen her experience in operation, supporting C-suite, and marketing. In 2021, she joined the compliance department as Compliance Officer.
Carole has over 20 years’ experience in the Finance industry. She started her career in 2002 at Lombard Odier.
Carole holds a Bachelor in Business Administration from the Haute Ecole de Gestion de Genève (HEG).
Simon Marquaire
COO & CCO, Quaero Capital (France) SAS

Simon Marquaire joined Quaero Capital (France) SAS in January 2023 as Secretary General and RCCI (Head of Compliance).
He started his career in Luxembourg in the internal audit department of Dexia. Subsequently, he worked in the compliance departments of Nomura Alternative Investment Management and Candriam where he was RCCI.
He has more than 20 years of experience in compliance and internal control in asset management.
Simon is a graduate of the Ecole Supérieure de Commerce de Grenoble (Grenoble School of Management).
Thomas Rostaing
Compliance Officer, Quaero Capital (France) SAS

Thomas Rostaing joined Quaero Capital (France) SAS in February 2024 as Compliance Officer.
He worked as Legal Advisor for the French consultant group Orcom in Shanghai and had a following experience as Compliance Officer in Raise, managing company in Paris.
Thomas has graduated with a Master 2 International Economic Law from Université Sorbonne Paris Nord.