Flexstone Partners (Flexstone), an affiliated investment manager of Natixis Investment Managers, managing more than $10 billion in assets focused on lower, middle market buyouts, growth equity, and emerging managers in the US, Europe, and Asia, appointed Samira Boussem as Managing Director & Head of Sustainability.

Samira will be reporting to Eric Deram, Managing Partner at Flexstone Partners, effective January 8, 2024 and is based in Paris. She will lead the ESG team, and is responsible for leading Flexstone’s sustainability strategy and responsible investment approach, which is implemented across the firm’s various bespoke investment solutions offered to clients, to address key environmental, social, and governance issues across private markets. Notably, she will focus on developing Flexstone’s in-house ESG investing framework, stewardship strategy, and product offering.

Eric Deram, Managing Partner at Flexstone Partners, said: “As Flexstone’s clients continue to develop sustainable investment strategies, we are thrilled to have someone as experienced and talented as Samira leading this effort. Samira not only brings a vast breadth of knowledge in the world of sustainable investing, but also leadership experience in the asset management industry as we continue to think about new and interesting ways to integrate sustainability into our investment practices.”

Samira Boussem, Managing Director & Head of Sustainability at Flexstone Partners, commented: “Flexstone’s global reach presents a unique opportunity to make a positive impact and to lead on a variety of sustainability-related issues. I am excited to be working with Flexstone’s global team to drive impactful change, and to integrate the principles that both benefit our clients and also contribute to a more sustainable future for all stakeholders involved."

Samira joins Flexstone from her role as Head of ESG at Natixis Investment Managers Solutions where she was leading all the ESG topics. Samira was also part of the Sustainable taskforce at Natixis Investment Managers helping affiliates define their Sustainable journey (in line with the group ESG ambition). Samira is also teaching Sustainable investing at Dauphine (Master Banque d'investissement et de marchés).

She began her career at Crédit Industriel et Commercial (CIC) in 2000, as Risk Manager for credit products. She joined Natixis Group in 2005 and held the position of Senior Risk Manager within the investment bank and at Natixis AM and then was a consultant within the Portfolio Consulting Group of Natixis Investment Managers helping clients in their portfolios’ construction. Samira holds a Masters degree in probability and finance from the University of Paris 6 (DEA El Karoui), she is a CFA charterholder and earned the CFA ESG investing certification.

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Flexstone Partners
An affiliate of Natixis Investment Managers

Flexstone Partners, SAS – Paris
Investment management company regulated by the Autorité des Marchés Financiers. It is a simplified stock corporation under French law with a share capital of 1,000,000 euros Under n° GP-07000028 –Trade register n°494 738 750 (RCS Paris)
5/7, rue Monttessuy,
75007 Paris

Flexstone Partners, SàRL – Geneva
A manager of collective assets regulated by the Swiss Financial Market Supervisory Authority (“FINMA”). It is a limited liability company with a share capital of 750 000 CHF.
Trade register n° CH-112-212.153
8 chemin de Blandonnet
Vernier 1214 Geneva

Flexstone Partners, LLC - New York
Delaware corporation, registered with the United States Securities and Exchange Commission as an investment adviser
575 Fifth Avenue, 22nd Floor
New York, NY 10017

Flexstone Partners, PTE Ltd - Singapore
OUE Downtown 2 #24-12
6 Shenton Way Singapore 068809

Natixis Investment Managers
RCS Paris 453 952 681
Share Capital: €178 251 690
43 avenue Pierre Mendès France
75013 Paris

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