Henri Dumas works as a Partner SIPAREX MIDCAP at Siparex. The firm's known portfolio counts 11 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Partner SIPAREX MIDCAP at Siparex, whose known portfolio counts 11 companies
- NeoPhotonics
- Coinhouse
- Orcan Energy
- Rabot Dutilleul
- Sileane
- Siteflow
- Cofarco
- E-Recycle
- Ekoscan Integrity
- Monet Associes
- NH Hotels & Resorts
Investor Profile
Founders in the listed sectors AI, Climate, Commerce and Consumer, and focus areas API, Clean Energy, Communications Infrastructure and Crypto fall inside that listing.
Siparex appears in Late-Stage, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether Henri Dumas is worth approaching.
Colleagues at Siparex
Nicolas Réquillart Jeanson
Investor
Paris, France
Augustin de Jerphanion
Director
Paris, France
Damien Fulchiron
Managing Partner
Paris, France
Matthieu Adoir
Partner
Paris, France
Antoine Krug
Managing Director
Paris, France
Clément Barbier
Partner Siparex Mezzanine
Lyon, France
Bertrand Rambaud
President
France
Philippe Dutheil
Partner
Paris, France
Guillaume Rebaudet
Partner
France
Florent Lauzet
Managing Partner
Paris, France
Frequently asked questions
Who is Henri Dumas?
Henri Dumas is a private equity investor and venture capital investor based in Lyon, Auvergne-Rhône-Alpes, France, listed as Partner SIPAREX MIDCAP at Siparex. The known portfolio of that firm counts 11 companies. That portfolio belongs to the firm, not to Henri Dumas personally.
What does Henri Dumas invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include API, Clean Energy, Communications Infrastructure and Crypto. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Henri Dumas invest at?
Siparex appears in Late-Stage, Seed and Series A rounds across its known deals, and Henri Dumas is listed there as Partner SIPAREX MIDCAP. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Henri Dumas listed at?
Henri Dumas is listed as Partner SIPAREX MIDCAP at Siparex. 10 other people in the database share a firm with Henri Dumas.
How do I contact Henri Dumas?
A phone number and a LinkedIn page are on file for Henri Dumas. They are readable inside RaiseHunt after you create an account. The database holds no email address for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal