Our team

A dedicated team for a long-term relationship.

Jean-Sébastien Beslay

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A pioneer in utilizing customer satisfaction as a tool for financial performance, Jean-Sébastien Beslay oversees the collective equity management process at Trusteam Finance. He manages the Trusteam ROC and Trusteam ROC Flex funds. With a post-graduate degree in Mergers and Acquisitions, Jean-Sébastien Beslay served as the head of European mid-caps at Exane brokerage firm for almost 8 years.

Jean-Luc Allain

Chief Customer Officer - Cofounder
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As the founder of Trusteam Finance alongside Jean-Sébastien Beslay, Jean-Luc Allain managed the Trusteam Optimum fund for 20 years. Currently a member of Trusteam’s Steering Committee, Allain, an ESSEC graduate, has a diverse career history, including roles at Bacot-Allain, SG Warburg, and leadership positions in collective investment management.

Claire Berthier

Chief Executive Officer
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Claire Berthier, HEC Graduate, joined Trusteam Finance in 2014. Initially leading SRI, she co-managed the Trusteam ROC and Trusteam ROC Europe funds. Claire Berthier’s background includes Fund Manager at Alcyone Finance after working in M&A consulting and co-founding a social impact start-up.

Capucine Beslay

Head of Investments
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Capucine Beslay joined Trusteam Finance in 2017. With a master’s degree in Corporate Finance from Université Paris Dauphine, Her experiences range from mergers and acquisitions at Banque Hottinguer to management control at a startup, and a stint in the finance department of Coca-Cola.

Mehdi Lamloum

Risk Manager & COO
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Mehdi Lamloum, an engineer in mathematical modeling and scientific computing, joined Trusteam Finance in May 2019 as a financial risk and research analyst. Completing a master’s degree in risk and asset management at Paris Saclay University, Lamloum previously worked as a project manager for the Office Nationale des Chemins de Fer in Morocco.

Arnaud Garnier

Chief Financial Officer
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Arnaud Garnier joined Trusteam Finance’s Wealth Management team in 2008. Formerly Head of Wealth Management, he currently serves as Chief Financial Officer. A graduate of ISG, Arnaud Garnier spent more than 20 years in London, Hong Kong and Paris, where he was head of Quantitative Trading, Delta One and Program Trading at Nomura and ABN AMRO.

Christian Ginolhac

Chief Executive Officer
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Former Chairman and founder of Gaspal Gestion, Christian Ginolhac holds an engineering degree from Ecole Centrale Paris and an MBA from Columbia University. A former Managing Director of Banque Vernes and a member of the SFAF and AGPP, he has over 30 years’ experience in asset management. He co-manages the Gaspal Patrimoine, Gaspal Croissance Dividendes and Gaspal Euro Opportunités funds.

Albane Rouvière

Head of Communication
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Albane Rouvière, who joined in 2018 as Head of Wealth Management, assumed the role of Head of Communications in May 2023. A graduate of Kedge Business School (Bordeaux, with a major in finance) and a postgraduate diploma in Wealth Management from CESB, Albane Rouvière began her career in auditing with KPMG. Transitioning to wealth management consultancy, she worked for institutions like Union Financière de France and JP Morgan Fleming, family offices and as an independent consultant, Albane Rouvière co-founded the Ready Art website to promote the French art scene, showcasing her passion for art. She keeps getting inspired by exhibitions and artistic encounters.

Martine Mouneyroux

General Services Manager
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Martine Mouneyroux joined Trusteam Finance in 2019 as Head of General Services. Armed with a BTS in accountancy and management, she began her career in a chartered accountancy firm. Her journey includes roles at the GAMBRO pharmaceutical laboratory, ASEA BROWN BOVERI in the robotics-automation sector, and STAFFORD MILLER, another pharmaceutical laboratory. In 2001, Mouneyroux joined the GLAXOSMITHSKLINE laboratory as Management Controller and then Business Partner. Throughout her career, she actively participated in numerous mergers, reorganizations, software implementations, and IT migration projects, including the SAP implementation at GSK in 2015.

Farid Kassa

Equity Manager
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Farid Kassa, who joined Trusteam Finance in 2019, co-manages the OPTIMUM fund. With 17 years of professional experience in the financial markets, he first started as a financial analyst at Exane BNP Paribas and Louis Capital Markets. Later, he served as an equity manager in the equity department of Exane BNP Paribas, focusing on financial stocks. Holding a Master 2 in Economics and Management from the University of Paris I Sorbonne, Farid Kassa is also a graduate of the SFAF.

Philippe Lemaitre

Wealth Management
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Philippe Lemaitre, an MBA graduate (University of San Francisco) and former head of institutional asset management, Philippe Lemaitre has over 30 years of experience in asset management.

Marie-Laurence Biswang

Executive Vice-President, Manager and Multimanager
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Marie-Laurence Biswang has over 30 years’ experience in asset management, managing the Gaspal Obligations Court Terme, Flexible Annuel, Gaspal Oblig 1-4, Gaspal Convertibles, Gaspal Patrimoine and Gaspal Croissance Dividendes funds. She also holds a post-graduate diploma in Statistical and Computer Techniques and is a member of the IFTA (International Federation of Technical Analysts).

Anita de Haro

Wealth Management
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Anita de Haro, a graduate of ESCP Europe (Mastère International Wealth Management) and holder of a Masters in Wealth Management from the Paris School of Business, worked for two years at Société Générale Private Banking as head of partnerships. Her experience also includes working with the Altheo Partners family office.

Bertrand Casalis

Wealth Management
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Bertrand Casalis joined Trusteam Finance in 2020 as an International Equity Manager. A graduate of HEC and the SFAF, Bertrand Casalis spent more than 26 years at Cogefi Gestion as an Equity Manager, “stock-picker”, “bottom-up” selection, biased towards growth and quality stocks. He also managed diversified portfolios designed to avoid major downturns and minimise recovery time. In his last position, he managed the Cogefi Flex Dynamic fund, formerly Le Portefeuille Diversifié.

Matthieu Bernard

Equity Manager
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Matthieu Bernard joined Trusteam Finance in 2018, co-managing the Trusteam ROC Europe fund. A graduate of EDHEC, Matthieu Bernard boasts 5 years’ experience in M&A in London, including over 2 years at Morgan Stanley. He also worked for over three years in a FinTech startup specializing in SME financing, ORIGIN Investing, serving as Investment Director.

Cécile Pilot-Sylvestre

Office Manager/ Wealth Management
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Cécile Pilot-Sylvestre holds a master’s degree in finance from SKEMA ALUMNI LILLE and joined Gaspal Gestion in 2020. She has over 30 years’ experience in private banking (Natixis, CA Indosuez Cheuvreux, Rothschild Banque Privée).

Michaël Yatime

Equity and Fixed Income Manager
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Michaël Yatime, a SKEMA Business School graduate with an MSc in Finance, brings 15 years’ experience in asset management to Trusteam Finance. His dual expertise in credit and equities allows him to manage the Gaspal Obligations Court Terme, Flexible Annuel, Gaspal Convertibles, Gaspal Croissance Dividendes, and Gaspal Euro Opportunités funds.

Victor Simonnet

Partner Relationships
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Victor Simonnet holds a double degree in Financial Instruments Management (financial markets, instruments and valuation option) from the University of Cergy and a master’s degree in finance from the EDC Paris Business School. He began his career as a Wealth Management Assistant at Selexium, he then spent a year as a Trade Matching Analyst at CACEIS before joining Trusteam as an Asset Management Sales.

Max Hamelin

Equity Manager
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Max Hamelin, a member of the Trusteam Finance management team since 2013, manages the Trusteam ROC PME fund. Graduating from ESC Lille, Max Hamelin initiated his career at CPR GESTION in 1998 before joining Société de Gestion Monte Paschi Invest in 2000. There, he managed equity UCITS and portfolios under management mandates.

Tommy Havel

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Tommy Havel joined Trusteam in 2022. Holding a BTS in accounting and management, he started at Trusteam on a temporary basis from October 2022 to February 2023, after which he was hired on a permanent basis

Onja Rakotonirina

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Onja Rakotonirina joined Trusteam Finance in 2013. She holds a master’s degree in control, accounting and auditing. She began her career in a chartered accountancy firm, and later worked for CACEIS, Euro VL and Natixis in FCPI valuation and UCITS accounting. Onja Rakotonirina joined Banque Monte Paschi in 2009 as a back and middle office operator.

Laure Oriez

Head of Compliance and Internal Control
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Laure Oriez, a chemical engineer by training (INSCI Rouen) and a CESMA (MBA EM Lyon) graduate, joined Trusteam Finance in 2013 as Head of Fixed Income Management. Now serving as Head of Compliance and Internal Control (RCCI), Laure Oriez was successively portfolio manager under mandate at Compagnie Internationale de Banque, UCITS manager responsible for fixed income management and employee savings funds at Monte Paschi Banque from 1987. In 2004, she took over as Deputy Director of Monte Paschi Invest, in charge of regulatory aspects and controls, before becoming Managing Director from 2009 to 2012.

Thomas Baudoux

Control / Compliance
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Thomas Baudoux holds a master’s degree specializing in International Financial Analysis from the Faculty of Finance, Banking, and Accounting in Lille. He began his career in 2014 as Risk Controller / Assistant Manager / Middle Office at Gaspal Gestion.

Elise Naturel

SRI Analyst Manager
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Elise joins Trusteam Finance in October 2020 as an extra-financial analyst. A graduate of the MBA in CSR Management and Organisational Performance from the Institut Léonard de Vinci in Paris, she began her career at Palatine AM as an SRI analyst on listed stocks.

Marine Fetrossi

Wealth Management
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Marine joined Trusteam Finance’s Wealth Management team in 2020. Graduating with a Master2 from Dauphine PSL and the SFAF, she began her career at the Boscher brokerage firm. Subsequently, she joined Banque Arjil as an asset manager. In 1998, she joined Cogefi, where she managed private mandates, a diversified fund and 2 mid & small funds. In her last position, she held the role of director in charge of Private Banking clients.