Joseph Lassen is a Manager - Investments at Ardian, whose known portfolio counts 10 companies.
Is Joseph Lassen a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- GrowthLate-Stage
- Focus
- AudioBiotechClean EnergyClinical TrialsCommunications InfrastructureComputer VisionCustomer ServiceDesignDeveloper ToolsHR TechInformation ServicesInfrastructurePharmaceuticalsProfessional ServicesProperty ManagementRecruitingSalesSecondariesSecuritySemiconductorsSoftware EngineeringSupply Chain ManagementTelecommunicationsTest & MeasurementTherapeutics
Contacts
Affiliated funds' portfolios
Manager - Investments at Ardian, whose known portfolio counts 10 companies
- Unite
- HR Path
- Infrastrutture Wireless Italiane
- Heathrow Airport Holdings
- JPB Systeme
- La Financière d'Orion
- MXT Holdings
- Mon Véto
- My Pie
- Sicer
Investor Profile
The listing covers sectors AI, Climate, Commerce and Consumer, and focus areas Audio, Biotech, Clean Energy and Clinical Trials. Startups operating in these areas may find Joseph Lassen relevant.
Stage-wise, the deals at Ardian cluster around Growth and Late-Stage rounds.
The firm portfolio and the focus above give founders context on whether Joseph Lassen matches their raise.
Colleagues at Ardian
Showing 20 of 83
Mathilde Collin
Investor
San Francisco, United States
Siqi Chen
Angel Investor
San Francisco, United States
Nishkaam Mehta
Investor
San Francisco, United States
Eric Nadalin
Early stage investor & founder advisor
London, United Kingdom
Hilliary Bianca Salamanca
Angel Investor
Brooklyn, United States
Ivan Zakharenkov
Angel Investor
Saint John, Canada
Mubeen Malik
Operating Partner
Washington, United States
Abraham Thomas
Angel Investor
Toronto, Canada
Thibault Basquin
Member of the Executive Committe
New York, United States
Mathias Burghardt
CEO Ardian France
Paris, France
Dominique Senequier
Chief Executive Officer & Founder of Ardian
Paris, France
Charles Welham
Angel Investor
London, United Kingdom
Piers Henwood
Investor
Victoria, Canada
Deepak M.
Angel Investor
San Francisco, United States
Caroline Giese
Joint Venture Broker
London, United Kingdom
Malcolm Chapman
Angel Investor
Cheltenham, United Kingdom
Daniel Franco
startup Investor
Madison, United States
Liron Sason
Angel Investor
Tel Aviv, Israel
Edward Colet
Angel Investor
Washington, United States
Arnaud Dufer
Head of ARDIAN Expansion France
Paris, France
Frequently asked questions
Who is Joseph Lassen?
Joseph Lassen is a private equity investor based in United Kingdom, listed as Manager - Investments at Ardian. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Joseph Lassen personally.
What does Joseph Lassen invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include Audio, Biotech, Clean Energy and Clinical Trials. 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 Joseph Lassen invest at?
Ardian appears in Growth and Late-Stage rounds across its known deals, and Joseph Lassen is listed there as Manager - Investments. 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 Joseph Lassen listed at?
Joseph Lassen is listed as Manager - Investments at Ardian. 83 other people in the database share a firm with Joseph Lassen.
How do I contact Joseph Lassen?
An email address and a LinkedIn page are on file for Joseph Lassen. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal