Your external Chief of Staff
Recognized by entrepreneurs and C-level executives of international companies..
Benefit from a second brain & an extra pair of arms
With a wealth of experience in strategy and management consulting, and as a Chief of Staff in a scale-up, my strength lies in my ability to address strategic and organizational issues with C-level executives and to onboard operational teams through to project delivery.
Committed. Efficient. Proactive. Unique

Chief of Staff
My Background
Discover my previous experiences, which have equipped me for the role.
2017
Entrepreneurship
Creation of my first company (ProteinBox). From 0€ to 3000€ in MRR.
2019
Strategy Consultant
Joining as the first Junior Consultant in the firm, I completed multiple missions for various clients across different industries, such as banking and retail.
Fast Track: Promoted from Junior Consultant to Senior Consultant in 3 years.
2023
Chief of staff to the CEO
Advising the Board of a media scale-up on growth strategy and organizational challenges.
2024 - Today
COSPART's Launch
After 18 months and achieving good results with North Star Network, I decided to go freelance in this role I enjoy so much to diversify my experiences and industries.
I’ve then supported Gambling companies in their Corporate Development through M&A and partnerships.
A Chief of Staff adaptable to your projects.
Part Time
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To address specific challenges.
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To provide a fresh and external perspective on your topics.
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To share experiences with your teams.
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To lead strategic seminars.
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To assess your needs before considering a full-time or permanent Chief of Staff.
An external CoS – Full Time
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To support you daily with your challenges.
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To handle important topics and projects from framing to delivery.
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To temporarily manage a team while recruiting the manager.
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To deliver value where you expect it and also identify additional areas where assistance can be beneficial.
Let’s talk about your challenges
That’s free
Some of my clients




Some results
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Sectorial due diligence for an investment fund.
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New organizational model with autonomous Business Units.
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Agile transformation at scale.
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Launch of a new banking offer.
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Risk analysis and mitigation plans.
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Cost audit and P&L optimization (25% cost reduction).
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Creation of the Product department, Interim Head of Product, and recruitment of the team.
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Co-construction of the salary grid, career paths, and compensation policy for the HR department of a media group.
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Calculation of TCO (Total Cost of Ownership) for migration to AWS cloud.
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Framing and creation of an automated invoice management tool for the Financial Department of a media group working with over 300 freelancers each month.
- Corporate Development: Interim M&A director, identifying target, running the analysis and negotiating the transactions (5M€ budget)