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Mousse Partners
Mousse Partners Family Office (Wertheimer Family Office) operates as a single-family office headquartered in New York, United States. Founded in 1991, it...
Mousse Partners
Mousse Partners Family Office (Wertheimer Family Office) operates as a single-family office headquartered in New York, United States. Founded in 1991, it manages the multi-generational wealth of Alain and Gérard Wertheimer, heirs to French luxury house Chanel. It follows a diversified long-term global investment strategy across public and private markets—allocating capital to sustain and grow the family’s assets.
General information
Firm type
Single Family Office
Year founded
1991
AUM
Undisclosed
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
Principals
Charles Heilbronn
Founder and Chairman
Arthur Heilbronn
Managing Director and Co-Head of Private Equity & Venture Direct Investing
Suzi Kwon Cohen
Chief Investment Officer
Sector focus
Frequently asked questions
Who runs investment decisions at Mousse Partners?
Charles Heilbronn serves as Founder and Chairman. Suzi Kwon Cohen holds the Chief Investment Officer role until June 2026. Arthur Heilbronn directs private equity and venture direct investing.
How does Mousse Partners source proprietary deal flow?
The firm relies on relationships with co-investors including Advent International, Téthys Invest, and Lead Edge Capital. Arthur Heilbronn participates in Lead Edge Capital's strategic investor network.
Does Mousse Partners participate in fund commitments or only direct deals?
The office executes both direct co-investments and commitments to external funds. It joined an Advent International vehicle for Fisher Investments in 2024 alongside National Pension Service of Korea.
What investment stages does Mousse Partners typically target?
Stages range from seed and early venture through growth equity and buyouts. Confirmed activity includes seed rounds for Bravo Sierra and take-private transactions such as Heidrick & Struggles.
Where does the underlying wealth come from?
The capital originates from the Wertheimer family's ownership of Chanel. Alain and Gérard Wertheimer are the primary beneficial owners.
How is Mousse Partners related to adjacent family vehicles?
The office manages philanthropic structures including Fondation Chanel and Fondation Pierre Wertheimer. Real-asset holdings include St. Supéry Estate Vineyards and multiple Bordeaux châteaux.
What is Mousse Partners' known posture on co-investments alongside external GPs?
The firm regularly joins club deals with peers such as Progeny 3, Abrams Capital, and the Peugeot and Dassault families. It also co-invests with GIC alumni networks through Suzi Kwon Cohen's prior experience.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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