Our team
A dedicated team for a long-term relationship.
Jean-Sébastien Beslay
Cofounder
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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
+33 (0) 1 42 96 40 13
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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
+33 (0) 1 42 60 70 40
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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
+33 (0) 1 42 60 74 30
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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
+33 (0) 1 42 60 98 53
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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.
Lisa Kamoun
Relations Partenaires
06 84 94 77 22
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Diplômée de Neoma Business School, Lisa a débuté sa carrière dans l’une des filiales du groupe immobilier Atland dans l’équipe Investissements puis a évolué vers un poste de Relations Investisseurs.
Elle a rejoint l’équipe Distribution de Trusteam en mai 2024.
Christian Ginolhac
Chief Executive Officer
+33 (0) 1 42 68 26 11
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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
+33 (0) 1 42 60 98 61
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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.
Farid Kassa
Equity Manager
+33 (0) 1 42 96 40 26
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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
+33 (0) 1 42 68 26 14
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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
+33 (0)1 42 68 26 12
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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
+33 (0) 1 42 60 98 50
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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
+33 (0) 1 42 60 70 41
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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
+33 (0) 1 42 60 70 37
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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
+33 (0) 1 42 68 26 10
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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
+33 (0) 1 42 68 19 82
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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.
Tommy Havel
Middle-Office
+33 (0) 1 42 60 70 38
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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
Middle-Office
+33 (0) 1 42 96 40 28
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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
+33 (0) 1 42 96 40 27
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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.
Marine Fetrossi
Wealth Management
+33 (0) 1 44 07 04 42
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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.
