Find your path to Jof
218 people in our graph share verified history with Jof — schools, employers, funds. One of them is your warm intro.
Ben PerryunlockedJof: together at Imperial College London (1999–2002)
×3Jof: together at Imperial College London
×6Jof: together at Y Combinator
Jof: together at Tipalti
About
Jof Arnold is a cofounder of FitFu, a motion-tracking fitness application.
Founder/Co-designer at FitFuYC W11
Intro paths
YC
Jof went through Y Combinator (Winter 2011) — any YC alum in your network can reach them through the YC community.
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In turn, Jof can intro founders to FitFu's investors below.
FitFu's investors · 1
Co-founders at FitFu
BG
Benjie GillamFounder
Experience
- EnginiraCTO & Co-Foundercurrent2025 — presentLondon Area, United Kingdom
- TipaltiSoftware Engineering Manager2021 — 2025Greater London
- Springboard Code LtdFreelance Software Engineer and Consultant2021London, England, United Kingdom
- Big HealthLead Software Engineer2018 — 2021
- GraphQL TrainingCourse Developer (Frontend) & Co-founder2017 — 2018London, United Kingdom
- BrainBakerySenior Freelance Frontend Developer (Reactjs, Design, Node, GraphQL...)2006 — 2018London, UK
- Timecounts IncSenior Frontend Developer / Co-founder2013 — 2016London, United Kingdom
- FitFu.comCo-founder / Co-designer2010 — 2012Mountain View California and London, England
- i-togetherCo-founder2007 — 2008
- DelphiLead Engineer2003 — 2007
- (Self-Employed)Motorsport Contractor2002 — 2003
- Moscow Aviation InstituteSpacecraft Design Engineer2000
- BNFL Remote OperationsRobotics design and software engineer1997 — 1998
Skills & more
Full-Stack DevelopmentArtificial Intelligence (AI)Product Strategy1Software Management1Engineering Management1User Experience (UX)Software Development14Web Development7Web Applications12User Experience41Start-ups35Entrepreneurship22
+12 more
Mobile ApplicationsProgrammingBusiness DevelopmentTDDAgile MethodologiesTypeScriptContinuous IntegrationJavaScriptReact.jsGraphQLNode.jsCSSFrom Jof's professional profile.
Frequently asked questions
- Who is Jof Arnold?
- Jof Arnold is a cofounder of FitFu, a motion-tracking fitness application.
- Where does Jof Arnold work?
- Jof Arnold is Founder/Co-designer of FitFu.
- What companies did Jof Arnold found?
- Jof Arnold founded FitFu.
- Where did Jof Arnold go to school?
- Jof Arnold studied at Y Combinator (Startups, Business); Imperial College London (Mechanical Engineer, Engineering).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
Imperial College London mafia378
Also came through, then founded or led a company.
Nessan BerminghamDoctor of Philosophy - PhDFounded Korro Bio +2David SchilanskyMScFounded One Biosciences +2David MyttonMaster of Science - MSFounded Server Density +1Slava SolonitsynMBAFounded No Cap +1Barnaby MaletTeaching AssistantFounded machine0 +1Advait RuiaBachelor of Engineering (BEng)Founded SuperTokens +1
+ 371 more
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Shared employers
Also worked at Tipalti5
Also worked at GraphQL Training1
Also worked at FitFu.com1
Also worked at Delphi19
Juan FigueroaLead Backend Engineer at Struck CapitalAntonio LückInvestor at MatterScale VenturesMartin DoberManaging Director at ID VenturesLuka TomljenovicPartner at Radius Capital VenturesScott StankiewiczVenture Partner at REFASHIOND VenturesDawid BieńkowskiHuman Capital Partner / Managing Partner for Value Creation at Warsaw Equity Group
+ 13 more