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Florian Seroussi

Investor

General Partner at 355 Capital

New York, New York

Writes $100K – $800K checks · typically $250K

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Ask Philippe Laval to introduce you to Florian

You →Philippe · together at Evercontact (2015–2026) →Florian

Ask Jamie Chen to introduce you to Florian

You →Jamie · 5 people · together at Ring Capital →Florian

Ask Sam Okafor to introduce you to Florian

You →Sam · 3 people · together at Databricks →Florian

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About

Florian Seroussi is the CEO of Evercontact, an email intelligence company, and previously founded Global Roaming Group (NASDAQ: GRDB), which operated in the telecom roaming industry. Since 2007, he has invested through FS Ventures, accumulating a portfolio of over 100 investments as both an early-stage investor and a secondary buyer across technology and digital sectors.

Experience

  1. EvercontactCEOcurrent2015 — presentNew York City Metropolitan Area
  2. XTENDInvestorcurrent2025 — present
  3. SENAIInvestorcurrent2025 — present
  4. Ring CapitalLimited Partnercurrent2024 — present
  5. SnootsInvestorcurrent2024 — presentGreater London, England, United Kingdom
  6. DatabricksInvestorcurrent2024 — present
  7. StripeInvestorcurrent2023 — present
  8. NeuralinkInvestorcurrent2023 — present
  9. SpaceXInvestorcurrent2023 — present
  10. Alison.aiInvestorcurrent2023 — present
  11. ScoutDNSInvestorcurrent2022 — present
  12. Company SixInvestorcurrent2022 — present
  13. SCiFi FoodsInvestorcurrent2022 — present
  14. DiscloInvestorcurrent2022 — present
  15. 355 CAPITALGeneral Partner & Co-Foundercurrent2022 — presentNew York, United States
  16. Commons ClinicInvestorcurrent2022 — present
  17. FraîcheInvestorcurrent2021 — presentNew York, United States
  18. Qoddi App PlatformInvestorcurrent2021 — presentUnited States
  19. Helios.doInvestorcurrent2020 — present
  20. YuboInvestorcurrent2018 — present

Skills & more

Secondary Market2Early Stage Investment3Principal Investments3InvestmentsMobile Applications26Investors2Angel Investing5Mobile Devices68Entrepreneurship50Telecommunications15Start-ups79Business Development25
+12 moreVASVenture CapitalNew Business DevelopmentSocial MediaSocial NetworkingDigital MediaMobile InternetStrategic PartnershipsSoftware as a Service (SaaS)blockchainStrategic PlanningLeadership

Languages English · French · Hebrew

From Florian's professional profile.

Investments

Investor

355 CapitalCyberlightsDatabricksEvercontactFraicheGlobal Roaming IncGorgiasLabotecOliverOpen GardenProducteevQoddiRing CapitalScoutDNSShadeSnoots VetThe SandboxWeebly

Per curated public sources.

Network4

Aydin SenkutScout
Founder & Managing Partner at Felicis
Fabrice GrindaScout
Co-founder & Managing Partner at FJ Labs
Alex Iskold
Founder and Partner at 2048 Ventures
Kelly Choo
General Partner at True Global Ventures

Investors connected to Florian in public investor directories — a warm-intro map.

Frequently asked questions

Who is Florian Seroussi?
Florian Seroussi is the CEO of Evercontact, an email intelligence company, and previously founded Global Roaming Group (NASDAQ: GRDB), which operated in the telecom roaming industry. Since 2007, he has invested through FS Ventures, accumulating a portfolio of over 100 investments as both an early-stage investor and a secondary buyer across technology and digital sectors.
Where does Florian Seroussi work?
Florian Seroussi is General Partner at 355 Capital.
What check size does Florian Seroussi write?
Florian Seroussi typically writes checks of $100K – $800K.
What companies has Florian Seroussi invested in?
Investments tracked here include 355 Capital, Cyberlights, Databricks, Evercontact, Fraiche, Global Roaming Inc, Gorgias, Labotec, Oliver, Open Garden, Producteev, Qoddi, and 6 more.
Where did Florian Seroussi go to school?
Florian Seroussi studied at Tel Aviv University (MBA, Business Administration); Université Paris-Est Créteil (MIAGE, Business Management).

Founder mafias

Commons Clinic mafia2

Also came through, then founded or led a company.

David BerryDirectorFounded Valo

Same school

Shared employers