Julien Stouff
Founder & CIO

Julien is the Founder and Chief Investment Officer of Stouff Capital. He has over 30 years of experience in financial markets and founded the firm in March 2018.

Previously, Julien spent 14 years at Pictet holding a number of key positions developing and managing a Global Quantamental Equity Long/Short strategy for the Bank and the Pictet Asset Management (PAM) divisions. He was Global Head of Pictet Trading Strategy from 2013 to 2018, Senior Investment Manager of the PAM Kronos from 2010 to 2013, and Head of Derivative Trading from 2004 to 2010.

Before joining Pictet in 2004, Julien was the Investment Manager of Fortuna Fund. He previously worked as a proprietary trader for Swiss life / Gotthard Bank, Continental Grain Company and Pinault SA.

Julien holds a degree in Finance from the ESSEC/ University College of Dublin and a Master’s degree in Quantitative Finance from ESA University of Lille.

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Gregory Chevalley
Co-founder & Head of Investment Technology

Gregory is the Co-founder and Head of Investment Technology of Stouff Capital. He has over 15 years of quantitative expertise in financial markets.

Previously, Gregory spent 9 years at Pictet Trading Strategy and Pictet Asset Management (PAM). He was Head of Quant & Risk Management from 2013 to 2018 responsible for the quantitative development and strategy of the PAM Kronos Fund and PAM Atlas Fund from 2010 to 2013. Before joining PAM, Gregory was a quantitative analyst in the Pictet Derivatives Trading team from 2009 to 2010.

Gregory graduated in Economics from HEC Lausanne and from the Humboldt University in Berlin. He also holds a Master of Laws, Legal Issues, Crime and Security of Information Technologies from Université de Lausanne.

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Hamadoun Sidibe
Risk Manager

Hamadoun joined Stouff Capital in 2021 as Risk Manager.

He is responsible for developing and implementing overall risk management strategy, providing oversight and guidance to the team and ensuring risk monitoring and mitigation practices.

Hamadoun is also in charge of implementing portfolio optimization and continuously monitors the portfolio to ensure adherence to risk limits and guidelines set by the fund’s investment mandate.

Hamadoun holds a Master in Finance, Asset and Risk Management from HEC Lausanne, and has a Bachelor in Finance from the Geneva School of Business Administration.

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Aviv Y. Merci
Head of Business Development & IR

Aviv joined Stouff Capital in July 2023 as Managing Director, responsible for the firm’s business development and investor relations activities. He has over 10 years of experience in business development strategies and institutional investor coverage.

Prior to Stouff Capital, he was responsible for investor relations and marketing activities at Sona Asset Management covering relationships with top-tier institutional and wholesale investors globally.

Before Sona, Aviv spent 7 years in various client-related positions at Pictet in the UK and Switzerland.

Aviv is certified in Business Growth Strategies by the IMD Business School and graduated with honors from the University of Applied Sciences Switzerland. He is a CAIA Charterholder, NFA Associated Person and holds a Client-Dealing FCA Certification.

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