About
Charlie Thomas currently works on payroll solutions at Onfolk. Previously he contributed to product development at Monzo and studied mathematics and philosophy at Durham University.
Founder at OnfolkYC S21
Intro paths
YC
Charlie went through Y Combinator (Summer 2021) — any YC alum in your network can reach them through the YC community.
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In turn, Charlie can intro founders to Onfolk's investors below.
Onfolk's investors · 2
Co-founders at Onfolk
NM
Naz MalikFounder
Experience
- Oxbridge Summer ScholarsTutor (Physics, Computer Science)current2025 — presentOxford, England, United Kingdom
- Crimson EducationTutor (Maths, Physics, Computer Science)current2024 — present
- OnfolkCo-Founder / Software Engineer2021 — 2024
- Y CombinatorS212021
- Monzo BankBackend Engineer2019 — 2020
- Monzo BankTechnical Specalist2017 — 2019
- Monzo BankEngineering Intern2018
- LantumBackend Engineering Intern2017
- LantumBackend Engineering Intern2016
Skills & more
SQLPython (Programming Language)CassandraGo (Programming Language)
From Charlie's professional profile.
Frequently asked questions
- Who is Charlie Thomas?
- Charlie Thomas currently works on payroll solutions at Onfolk. Previously he contributed to product development at Monzo and studied mathematics and philosophy at Durham University.
- Where does Charlie Thomas work?
- Charlie Thomas is Founder of Onfolk.
- What companies did Charlie Thomas found?
- Charlie Thomas founded Onfolk.
- Where did Charlie Thomas go to school?
- Charlie Thomas studied at Queen Mary University of London (Doctor of Philosophy - PhD, Theoretical Physics); University of Oxford (Master of Science - MSc, Theoretical and Mathematical Physics); Durham University (Bachelor of Science - BSc, Mathematics and Philosophy).
Founder mafias
Y Combinator mafia8,773
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University of Oxford mafia290
Also came through, then founded or led a company.
Reid HoffmanM.St.Founded LinkedIn +2Gabriel PereyraDropped outFounded HarveyBrent HobermanMaster of Arts - MAFounded Founders Pledge +3William GuttmanM.PhilFounded CurvePoint +3Kevin HartzMstFounded Eventbrite +2Max AhrensDoctor of Philosophy - PhDFounded Maihem +2
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Durham University mafia21
Also came through, then founded or led a company.
Joshua MarchLLBFounded SciFi Foods +1Helen MurphyMaster of Engineering (MEng)Founded Opply +1Ash RustBScFounded SendHubDaniel MacklinBAFounded Salary FinanceColin HayhurstMEngFounded GoScaleAaron MorrisBSc with First Class HonsFounded PostEra
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Queen Mary University of London mafia19
Also came through, then founded or led a company.
Rob SchumacherMaster of Science (MS)Founded Nudge +1Georgia HiggsBachelor's degreeFounded GaiaDimeji SofoworaMaster of Laws (LLM)Founded Helium HealthHana ZaghloulFoundation Certificate in Humanities and Social ScienceFounded DayraChris MolozianBachelor of ScienceFounded Heroic Labs
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Same school
Also attended Queen Mary University of London95
Alix TricotInvestor at DaphniAlessandro De BenedettiAssociate at NorthzoneMoreno BonaventuraLead Machine Learning Engineer at Inreach VenturesLuisa VenturiniInvestor at CapitalGBeryl BouchierVice President at Sky9 CapitalSota NaganoManaging Partner & Investment Committee Member at Abies Ventures
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Also attended University of Oxford1,229
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockMichael MoritzFormer Partner at Sequoia Capital; Senior Adviser at Sequoia HeritageBrad GerstnerFounder & CEO of Altimeter CapitalGabriel PereyraCo-founder & President of HarveyDominic JacquessonInvestor at Index VenturesErin Price-WrightInvestor at Index Ventures
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Also attended Durham University241
Bertie AykroydPartner at Mayfair Equity PartnersMaria DrobotInvestor at DN CapitalNaseem MoumeneVice President at Northzone, investing across complex and fragmented industries undergoing fundamental shiftsJeppe ZinkPartner at NorthzoneHugo AdamsInvestor at Pembroke VCTChandar LalPartner at Mosaic Ventures
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Shared employers
Also worked at Crimson Education9
Mona TieslerInvestment Manager at tokentus investment AGMark VivianPartner at MovacAndrew YeoInvestment Team at OIF VenturesBrandon ChongManaging Partner at Bloom8Jack McQuirePartner at Icehouse VenturesMark AshleyCFO at Altered Capital
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Also worked at Onfolk1
Also worked at Y Combinator344
Garry TanPresident & CEO of Y CombinatorJessica LivingstonCo-founder of Y CombinatorDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceAlexis OhanianFounder & General Partner of Seven Seven SixMichael SeibelPartner Emeritus at Y CombinatorDalton CaldwellCo-founder of Standard Capital; Partner Emeritus at Y Combinator
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Also worked at Monzo Bank37
Adam ValkinInvestment Team at General CatalystAlex TranInvestment Team at General CatalystTom BlomfieldMonzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member.Sujata BhatiaInvestor at Index VenturesSpencer LakeInvestor at 13books CapitalChi-Hua ChienCo-Founder & Managing Partner at Goodwater Capital
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