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Olivia Noirot Nerin

Private Debt Investor | Deputy CEO | CFO | Board member | Entrepreneurship | Private Equity | Financing | Transformation | Turnaround | International build-up | M&A
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Email: ****@****.***
Location: Greater Paris Metropolitan Region
Current employer:
Sienna Investment Managers
Current title:
Managing Director
Last updated: 02/06/2026 08:30 AM
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About

Olivia Noirot Nerin is from Greater Paris Metropolitan Region. Olivia is currently Managing Director at Sienna Investment Managers, located in Paris, Île-de-France, France. In Olivia's previous role as a Deputy CEO & Board member at simaero, Olivia worked in Paris Area, France until Sep 2023. Prior to joining simaero, Olivia was a Founding Partner at Ixens and held the position of Founding Partner at Paris Area, France. Prior to that, Olivia was a Corporate Finance Manager & Board Secretary at Harkand group, based in Paris Area, France from Sep 2012 to Mar 2014. Olivia started working as Assistant Director - Restructuring at Ernst & Young in London, United Kingdom in Feb 2009. From Jun 2006 to Jan 2009, Olivia was Manager - Corporate Restructuring at Ernst & Young, based in Paris Area, France. Prior to that, Olivia was a Senior Auditor at Deloitte, based in Paris Area, France from Sep 2003 to Jun 2006.

You can find Olivia Noirot Nerin's email at finalscout.com. FinalScout is a professional database with business professional profiles and company profiles.

Olivia Noirot Nerin's current jobs
Company: Sienna Investment Managers
Title: Managing Director
Period: Apr 2024 - Present (2 years, 2 months)
Location: Paris, Île-de-France, France

As part of the Private Credit team, my primary focus is on Sienna’s defense private debt fund, Hephaïstos, and on a fund investing in French private equity and private debt funds. Sienna Investment Managers is a multi-expertise pan-European asset manager of the publicly traded investment holding company Groupe Bruxelles Lambert (GBL). With a team of over 290 professionals, Sienna IM operates in Paris, Luxembourg, London, Hamburg, Frankfurt, Madrid, Amsterdam, Zurich and Seoul. Spanning listed and private assets (real estate, private debt, private equity, and venture capital), Sienna IM builds bespoke and innovative solutions for its clients, with purpose. As of January 2025, the Group oversees €40 billion under management.

Olivia Noirot Nerin's past jobs
Company: simaero
Title: Deputy CEO & Board member
Period: Jul 2018 - Sep 2023 (5 years, 2 months)
Location: Paris Area, France

In July 2018 I was appointed deputy CEO of Simaero in charge of Finance as part of the capital increase subscribed by Rive Private Investment, which saw Rive take the majority control alongside the company founders. Between 2018 and 2023, the EBITDA of the Group was tripled through operational structuration and strengthening, debt refinancing, capex investment, and its geographical and asset footprint was significantly expanded (France, South Africa, China, Ireland, India).

Company: Ixens
Title: Founding Partner
Period: Mar 2014 - Jul 2018 (4 years, 4 months)
Location: Paris Area, France

Ixens is focused on mid-size companies (turnover €20-500m) with business potential (brand name, innovation capacity, quality assets...) but with limited profitability - aka "sleeping beauties".

Company: Harkand group
Title: Corporate Finance Manager & Board Secretary
Period: Sep 2012 - Mar 2014 (1 year, 6 months)
Location: Paris Area, France

Harkand Group is an Offshore Oil and Gas Company held by Oaktree Capital Management. The Group was created between 2010 and 2013 through the acquisition, turnaround and merger of 3 independent companies located in the UAE, UK and US. Between 2012 and 2013, the size of the Group was doubled through organic growth and acquisitions, and its profitability was tripled.

Company: Ernst & Young
Title: Assistant Director - Restructuring
Period: Feb 2009 - Aug 2012 (3 years, 6 months)
Location: London, United Kingdom

Advisory services for banks, Private Equity funds, shareholders and corporates to develop and implement strategies in multi-stakeholders restructuring negotiations. This included building business plans, turnaround strategies, leading Independent Business Reviews, financial and market analysis, modelling, cash flow forecasting and monitoring.

Company: Ernst & Young
Title: Manager - Corporate Restructuring
Period: Jun 2006 - Jan 2009 (2 years, 7 months)
Location: Paris Area, France

Advisory services to distressed companies in the context of insolvency proceedings as well as solvent restructurings (strategic options analysis, business plan preparation / review, operational turnaround, cash flow forecast, working capital improvement)

Company: Deloitte
Title: Senior Auditor
Period: Sep 2003 - Jun 2006 (2 years, 9 months)
Location: Paris Area, France

Financial and statutory audits Main clients: Small to mid-cap companies and French subsidiaries of international Groups

Olivia Noirot Nerin's education
Indian Institute of Management Ahmedabad
Institut des hautes études de défense nationale (IHEDN)
Auditeur - 1ère session Nationale - Majeure Défense et Sécurité Economique
2021 - 2022
Centre Madeleine Danielou
Classe Preparatoire Hypokhagne
ESCP Europe
Diplôme Grande École
1998 - 2002
Olivia Noirot Nerin's top skills
Finance M&A Negotiations Private Equity Cross-border M&A Restructuring Business Transformation Mergers & Acquisitions Financial Reporting Refinancing Financial Analysis Deal Sourcing Funding Business Valuation Business Formation Valuation Entrepreneurship Corporate Finance International Development Partner Identification Due Diligence
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