Nathalie Biderman

Director/Board Member at HIGHCO

Net worth: 9 $ as of 2026-05-30

58 year

Commercial Services

Consumer Services

Profile

Nathalie Biderman is Chairman at Calya Consultants, Director at Calya International, Independent Member of the Supervisory Board at HighCo SA since 2013, Member of the New York State Bar Association, Member of The Association of the Bar of the City of New York, and Of Counsel at Amar Reiter Jeanne Shochatovitch & Co. Law firm since 2022.
Formerly, Ms. Biderman was Chief Operating Officer at Havas Worldwide LLC.
Education includes an MBA from INSEAD, graduate studies at Georgetown University and Georgetown University Law Center (1993), and undergraduate and graduate degrees from Université Paris II Panthéon Assas (graduate degree conferred in 1989).

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
HIGHCO SA 0%	2025-02-28	2 ( 0% )	9 $	2026-05-30

Nathalie Biderman active positions

Companies	Position	Start
HIGHCO	Director/Board Member	2013-05-31
Calya Consultants	Chairman	-
Calya International	Director/Board Member	-
The Association of the Bar of the City of New York The Association of the Bar of the City of New York Miscellaneous Commercial ServicesCommercial Services Operates as a voluntary association of lawyers and law students	Corporate Officer/Principal	-
New York State Bar Association New York State Bar Association Miscellaneous Commercial ServicesCommercial Services Operates as a bar association	Corporate Officer/Principal	-
Amar Reiter Jeanne Shochatovitch & Co. Law firm Amar Reiter Jeanne Shochatovitch & Co. Law firm Miscellaneous Commercial ServicesCommercial Services Provides legal services	Corporate Officer/Principal	2021-12-31

All active positions of Nathalie Biderman

Former positions of Nathalie Biderman

Companies	Position	End
Havas Worldwide LLC Havas Worldwide LLC Advertising/Marketing ServicesCommercial Services Provides advertising and marketing services	Chief Operating Officer	-

See the detail of Nathalie Biderman's experience

Training of Nathalie Biderman

Experiences
Positions held

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Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	11
HighCo SA HighCo SA Advertising/Marketing ServicesCommercial Services Provides direct mail advertising and marketing services	Commercial Services
Havas Worldwide LLC Havas Worldwide LLC Advertising/Marketing ServicesCommercial Services Provides advertising and marketing services	Commercial Services
INSEAD INSEAD Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Georgetown University Georgetown University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
New York State Bar Association New York State Bar Association Miscellaneous Commercial ServicesCommercial Services Operates as a bar association	Commercial Services
The Association of the Bar of the City of New York The Association of the Bar of the City of New York Miscellaneous Commercial ServicesCommercial Services Operates as a voluntary association of lawyers and law students	Commercial Services
Université Paris II Panthéon Assas Université Paris II Panthéon Assas Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Georgetown University Law Center Georgetown University Law Center Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Calya Consultants
Calya International
Amar Reiter Jeanne Shochatovitch & Co. Law firm Amar Reiter Jeanne Shochatovitch & Co. Law firm Miscellaneous Commercial ServicesCommercial Services Provides legal services	Commercial Services