Global private markets investment manager Flexstone Partners announced the appointment of Samira Boussem as Managing Director & Head of Sustainability, with responsibility for driving the firm’s sustainability strategy. based in France.

Flexstone is a majority owned affiliate of Natixis Investment Managers, providing investment management and advisory services across global private markets to institutional investors, with a focus on on lower, middle market buyouts, growth equity, and emerging managers in the US, Europe, and Asia.

Based in France, Boussem will lead Flexstone’s sustainability strategy and responsible investment approach, focusing on developing Flexstone’s in-house ESG investing framework, stewardship strategy, and product offering. She will report to Eric Deram, Managing Partner at Flexstone Partners.

Deram 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.”

Boussem, who joined Natixis Group in 2005, has held several leadership positions with the organization, including most recently serving as Head of ESG at Natixis Investment Managers Solutions where she led all the ESG topics. She was also part of the Sustainable taskforce at Natixis Investment Managers, helping affiliates define their Sustainable journey, in line with the group ESG ambition. She has also worked as Senior Risk Manager within the investment bank and at Natixis AM and as a consultant within the Portfolio Consulting Group of Natixis Investment Managers helping clients in their portfolios’ construction.

In addition to her role at Flexstone, Boussem teaches Sustainable investing at Université Paris Dauphine—PSL.

Boussem said:

“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.”