Find your path to Rogier
213 people in our graph share verified history with Rogier — schools, employers, funds. One of them is your warm intro.
Akshat GoenkaunlockedRogier: together at London Business School (2020–2022)
×8Rogier: together at London Business School
×2Rogier: together at Hadrian
Rogier: together at Delft University of Technology
About
White-hat hacker who met Olivier Beg as a teenager; co-founded Hadrian to automate offensive security at scale.
Co-Founder & CEO at Hadrian
Intro paths
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In turn, Rogier can intro founders to Hadrian's investors below.
Hadrian's investors · 14
137 VenturesSan Francisco · since 20261789 CapitalPalm Beach · since 2026Altimeter CapitalMenlo Park · $1M – $25M checks · since 2026Andreessen HorowitzMenlo Park · $500K – $50M checks · since 2026Apollosince 2026Baillie GiffordEdinburgh · since 2026CapitalGSan Francisco · $50M – $100M checks · since 2026Construct CapitalWashington · $2M – $6M checks · since 2026CyLon VenturesWitneyFounders FundSan Francisco · $500K – $5M checks · since 2026Lux CapitalNew York · $100K – $100M checks · since 2026PICUS CAPITALMunich · $100K – $300M checksT. Rowe PriceBaltimore · since 2026Valor Equity PartnersChicago · since 2026
Co-founders at Hadrian
OB
Olivier BegCo-Founder & Chief Hacking Officer
MC
Maurice ClinCo-Founder & Head of Business Development
TV
Tijl van VlietCo-Founder
Experience
- HadrianCo-Founder & CEOcurrent2021 — present
- Angel InvestorAngel Investorcurrent2020 — present
- LiteBitStrategy2019 — 2021
- LiteBitCo-Founder & CTO2013 — 2018Rotterdam, Zuid-Holland, Nederland
- 42bitsDeveloper & Ethical Hacker2012 — 2016Utrecht
Skills & more
Start-ups10Security8Entrepreneurship12Data Science3Blockchain3big data2Agile Project Management1Statistics1Web Development1Information SecurityProject ManagementSQL3
+4 more
GitMicrosoft Power BIProblem SolvingBitcoinLanguages Dutch · English · German
From Rogier's professional profile.
Frequently asked questions
- Who is Rogier Fischer?
- White-hat hacker who met Olivier Beg as a teenager; co-founded Hadrian to automate offensive security at scale.
- Where does Rogier Fischer work?
- Rogier Fischer is Co-Founder & CEO of Hadrian.
- What companies did Rogier Fischer found?
- Rogier Fischer founded Hadrian.
- Where did Rogier Fischer go to school?
- Rogier Fischer studied at Delft University of Technology (Bachelor's Degree, Electrical and Electronics Engineering); London Business School (Master of Business Administration - MBA).
Founder mafias
London Business School mafia193
Also came through, then founded or led a company.
Val AgostinoMaster of Business Administration - MBAFounded Monarch +2Kes ThygesenMSc w/distinctionFounded Rolepoint +2Anil SethiMBAFounded Compagos +2Jeremy GeigerMBAFounded retailigence +1Key ComptonMBAFounded Mimeo +1Gustavo GorensteinMBA ElectivesFounded bxblue +1
+ 186 more
Delft University of Technology mafia95
Also came through, then founded or led a company.
Eric MigicovskyIndustrial Design EngineeringFounded Beeper +1Menno GravemakerElectrical EngineeringFounded Momo Medical Group +1Kayra BahadirBachelor of Science - BScFounded Prestige +1Louis MonsignyBachelor of ScienceFounded Syntetica +1Sebastian ThrunHonorary DoctorateFounded Cresta +1Tom HubregtsenMaster’s DegreeFounded Voltrac +1
+ 88 more
Same school
Also attended Delft University of Technology258
Michiel KottingPartner at NorthzoneGiuseppe LacerenzaPartner at Keen Venture PartnersAlexander WortmannPartner at TCVThijs SchaapInvestment manager at NoaberHugo SilvaPartner at Pi LabsRobInvestor at henQ vc
+ 252 more
Also attended London Business School836
Patrick ClaessenPartner at Cottonwood Technology FundDominic JacquessonInvestor at Index VenturesSandra SchwarzerInvestor at Index VenturesMatt CherianVenture Partner at Monta Vista CapitalAkshat GoenkaInvestor at Moonfire VenturesGiuseppe IademarcoHead of Global Partnership at P101 Ventures
+ 830 more
Shared employers
Also worked at Hadrian7
Giuseppe LacerenzaPartner at Keen Venture PartnersGil GilboaAssociate, EU at RTP GlobalSaid HaschemiInvestor at HV CapitalHugo BongersPartner at Motive VentureOlivier BegCo-Founder & Chief Hacking Officer at HadrianMaurice ClinCo-Founder & Head of Business Development at Hadrian
+ 1 more
