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ISAI's Overview

Total employees74
HeadquartersParis
Founded2009

ISAI Gestion is a prominent French venture capital and private equity firm dedicated to financing and supporting tech entrepreneurs and digital companies at various stages of growth, from early-stage startups to more established scale-ups. Founded in 2009 by successful web entrepreneurs, ISAI leverages deep industry expertise to identify and nurture high-potential businesses, primarily in France and Europe. They manage several funds catering to different investment theses, including venture capital, growth equity, and tech buyout, contributing significantly to the French and European tech ecosystem.

Where is ISAI's Headquarters?

HQ Function

Serves as the central hub for ISAI Gestion's investment activities, including deal sourcing, due diligence, portfolio management, investor relations, and operational support for its backed companies.

Notable Features:

Located on Boulevard Haussmann, a prestigious Parisian address known for its Haussmannian architecture and proximity to major business and financial institutions. The office likely features modern amenities conducive to a dynamic investment environment.

Work Culture:

Professional, entrepreneurial, and results-driven, reflecting its origins from successful tech entrepreneurs. Emphasis on collaboration, deep market analysis, and providing hands-on support to portfolio companies.

HQ Significance:

Its Parisian location places ISAI at the epicenter of French innovation, facilitating close connections with entrepreneurs, co-investors, and the broader tech community.

Values Reflected in HQ: The choice of a prestigious and central location reflects ISAI's commitment to professionalism, excellence, and its role as a key player in the French tech investment landscape.

Location:

While headquartered in Paris and with a strong focus on French and European markets, ISAI Gestion maintains a global outlook. This is demonstrated through investments in companies with international ambitions, monitoring global technology trends, relationships with international co-investors and Limited Partners (LPs), and supporting portfolio companies in their global expansion efforts. Their network extends beyond Europe, particularly in assessing market opportunities and potential for their ventures.

Street Address:

155 boulevard Haussmann

City:

Paris

State/Province:

Île-de-France

Country:

France

ISAI's Global Presence

Major European Tech Hubs (e.g., Berlin, London, Amsterdam)

Address: N/A - Presence primarily through network and portfolio activities

To identify and invest in leading tech startups and scale-ups across Europe, providing capital and strategic support for growth and international expansion.

Buying Intent Signals for ISAI

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of ISAI

As of April 2025, ISAI' leadership includes:

Jean-David Chamboredon - Executive Chairman & Co-founder
Christophe Doufetu - Managing Partner & Co-founder
Pierre Martini - Managing Partner & Co-founder
Thierry Vandewalle - Managing Partner
Karine Laleu - Partner & General Secretary
Jean-Matthieu Graziani - Managing Partner

Investors of ISAI

ISAI has been backed by several prominent investors over the years, including:

Over 400 entrepreneurs (Founders & Tech Executives)
Institutional investors (e.g., Bpifrance)
Family Offices

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits0

ISAI Gestion has strengthened its team over the past year with key promotions and a new strategic hire. Notably, the firm promoted two individuals to Partner and General Counsel, and appointed a new Head of ESG & Impact, reflecting its growth, commitment to internal talent development, and focus on responsible investing.

New Appointments:

Charlotte Frings, Charlotte Frings promoted to Partner at ISAI Gestion.
Hélène Masliah-Planchon, Hélène Masliah-Planchon promoted to General Counsel at ISAI Gestion.
Isabelle Amrouche, Isabelle Amrouche appointed as Head of ESG & Impact at ISAI Gestion.

Technology (Tech Stack) used by ISAI

Discover the tools ISAI uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

ISAI Email Formats and Examples

ISAI Gestion likely uses common professional email formats. Based on typical French corporate structures and common patterns in the investment industry, the most probable format is [first_initial][lastname]@isai.fr.

[first_initial][lastname]@isai.fr

Format

jchamboredon@isai.fr (Example for Jean-David Chamboredon)

Example

80%

Success rate

News and media

isai.frMay 2, 2024

ISAI Gestion becomes majority shareholder in The Summit Group

ISAI Expansion, ISAI's Tech Buyout fund, has become the new majority shareholder of The Summit Group, a consulting firm specializing in sales performance, alongside the management team and Bpifrance....more

isai.frJanuary 11, 2024

ISAI Gestion announces the promotion of Charlotte Frings to Partner and Hélène Masliah-Planchon to General Counsel

ISAI Gestion announced two key internal promotions, with Charlotte Frings becoming Partner and Hélène Masliah-Planchon appointed as General Counsel, effective January 2024....more

isai.frNovember 23, 2023

ISAI Gestion launches its first evergreen fund, ISAI Crossover

ISAI announced the launch of ISAI Crossover, its first evergreen investment vehicle, aiming to support fast-growing, profitable (or soon-to-be profitable) European tech companies with revenues between €10M and €100M....more

isai.frSeptember 12, 2023

ISAI Gestion appoints Isabelle Amrouche as Head of ESG & Impact

ISAI Gestion strengthened its commitment to responsible investment with the appointment of Isabelle Amrouche as Head of ESG & Impact, to further develop and implement the firm's ESG strategy....more

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