Hadrian was founded by Rogier Fischer, Olivier Beg, Maurice Clin, Tijl van Vliet in 2021.

Who are Hadrian's investors?

Hadrian's investors include CapitalG, Construct Capital, CyLon Ventures, Lux Capital, PICUS CAPITAL, 137 Ventures, 1789 Capital, Altimeter Capital and 6 more.

How much funding has Hadrian raised?

Hadrian has disclosed $2.7B raised across 2 rounds.

Where is Hadrian headquartered?

Hadrian is headquartered in Amsterdam, NL.

Hadrian

Amsterdam, NL · Founded 2021 · 105 employees on LinkedIn · 19 known investors

Find your way into Hadrian

673 people in our graph share verified history with the Hadrian team — schools, employers, funds. One of them is your warm intro.

Giuseppe Lacerenzaunlockedknows Rogier Fischer · together at Hadrian (overlapped)

×2knows the team · via Hadrian

×9knows the team · via Verlinvest

Hadrian offers an offensive security platform that continuously maps an organization's external attack surface, discovers assets, and uses agentic AI to validate which exposures are actually exploitable. It serves enterprise security and SOC teams, providing continuous asset discovery, event-driven testing, and dark web monitoring.

AI & Machine Learning Cybersecurity Enterprise Software SaaS

Founders & leadership

Hadrian was founded in 2021 by Rogier Fischer, Olivier Beg, Maurice Clin, and Tijl van Vliet.

Rogier Fischer Co-Founder & CEOWhite-hat hacker who met Olivier Beg as a teenager; co-founded Hadrian to automate offensive security at scale.

Olivier Beg Co-Founder & Chief Hacking OfficerEthical hacker and co-founder who leads Hadrian’s offensive research and autonomous-hacking product.

Maurice Clin Co-Founder & Head of Business DevelopmentNamed as a 2021 co-founder; LinkedIn company data lists him as head of business development. A public profile URL was not verified here.

Tijl van Vliet Co-Founder & Software Engineer2023–2024Named as a 2021 co-founder in seed coverage; a public LinkedIn slug was not verified here.

Investors · 19

CapitalGlisted by CapitalGSan Francisco · $75M – $100M

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

Construct Capitallisted by Construct CapitalWashington · $2M – $6M

How we know: Construct Capital's portfolio page · 3dprintingindustry.com · funding news · Not right? Tell us

CyLon Ventureslisted by CyLon VenturesWitney

Lux Capitallisted by Lux CapitalNew York · $100K – $100M

How we know: Lux Capital's portfolio page · 3dprintingindustry.com · funding news · Not right? Tell us

PICUS CAPITALlisted by PICUS CAPITALMunich · $100K – $300M

How we know: PICUS CAPITAL's portfolio page · the VCSheet dataset · Not right? Tell us

137 VenturesreportedSan Francisco

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

1789 CapitalreportedPalm Beach

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

Altimeter CapitalreportedMenlo Park · $1M – $25M

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

Andreessen HorowitzreportedMenlo Park · $500K – $50M

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

Apolloreported

How we know: 3dprintingindustry.com · Not right? Tell us

Baillie GiffordreportedEdinburgh

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

Founders FundreportedSan Francisco · $500K – $5M

How we know: cnbc.com · funding news · Not right? Tell us

T. Rowe PricereportedBaltimore

How we know: 3dprintingindustry.com · Not right? Tell us

Valor Equity PartnersreportedChicago

How we know: 3dprintingindustry.com · funding news · Not right? Tell us

Also in the syndicate · 5

J.P. Morgan Strategic Investment GroupleadJPMorganChase’s Strategic Investment GroupleadMorgan Stanley Wealth ManagementWashington Harbour PartnersWCM Investment Managementlead

Funding

SEC filings, press & company announcements

$2.7B disclosed across 2 rounds · 2026

$1.4BraisedAug 2026 · 2 sources
Baillie Gifford (lead), J.P. Morgan Strategic Investment Group (lead), Founders Fund, Washington Harbour Partners
Source ↗
$1.4BSeries DAug 2026 · 4 sources
137 Ventures (lead), Baillie Gifford (lead), JPMorganChase’s Strategic Investment Group (lead), Valor Equity Partners (lead), Washington Harbour Partners (lead), WCM Investment Management (lead), 1789 Capital, Altimeter, Andreessen Horowitz, Apollo, CapitalG, Construct Capital, Founders Fund, Lux Capital, Morgan Stanley Wealth Management, T. Rowe Price Associates
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Frequently asked questions

What does Hadrian do?: Hadrian offers an offensive security platform that continuously maps an organization's external attack surface, discovers assets, and uses agentic AI to validate which exposures are actually exploitable. It serves enterprise security and SOC teams, providing continuous asset discovery, event-driven testing, and dark web monitoring.
Who founded Hadrian?: Hadrian was founded by Rogier Fischer, Olivier Beg, Maurice Clin, Tijl van Vliet in 2021.
Who are Hadrian's investors?: Hadrian's investors include CapitalG, Construct Capital, CyLon Ventures, Lux Capital, PICUS CAPITAL, 137 Ventures, 1789 Capital, Altimeter Capital and 6 more.
How much funding has Hadrian raised?: Hadrian has disclosed $2.7B raised across 2 rounds.
Where is Hadrian headquartered?: Hadrian is headquartered in Amsterdam, NL.