Fundraising Fox

Jynnie Tang

Founder

Founder at Napkin Math

San Francisco, California, United States

FoundedNapkin Math Β· YC

About

Jynnie Tang previously worked at Retool and One More Multiverse, and studied at MIT. She is now building Napkin Math, an AI-powered food journal application.

Founder at Napkin MathYC X26

Intro paths

YC

Jynnie went through Y Combinator (Spring 2026) β€” any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Pete Koomen, General Partner at Y Combinator β€” the partner who ran Napkin Math's batch and knows the company first-hand. YC profile β†—

β†’

In turn, Jynnie can intro founders to Napkin Math's investors below.

Napkin Math's investors Β· 1

Y CombinatorSan Francisco Β· $500K checks Β· since 2026

Co-founders at Napkin Math

MCManuel Castro
Manuel CastroFounder
CNClaire Nord
Claire NordFounder

Experience

  1. Napkin MathCo-Foundercurrent2025 β€” present
  2. RetoolFrontend Engineer2024 β€” 2025
  3. Magic Circle StudioLead Designer2023 β€” 2024
  4. One More MultiverseTechnical Game Designer2022 β€” 2023
  5. One More MultiverseFull Stack Engineer and Product Manager2021 β€” 2023
  6. One More MultiverseFull Stack Engineer and Game Developer2020 β€” 2023
  7. One More MultiverseGame Designer and Developer2019 β€” 2020
  8. SamsaraSoftware Engineer Intern2019
  9. Digital Games Research Association (DIGRA)Student Officer2018 β€” 2019
  10. PTCResearch Development Intern2018Needham, Massachusetts
  11. krypt.coUI/UX and Front-end Intern2018

Skills & more

Game DesignGame DevelopmentTypeScriptProduct ManagementFront-end DevelopmentUser Experience DesignUser Interface DesignSketchBlenderFirebaseNext.jsReact.js
+11 moreFigma (Software)GitHubCSSJavaScriptPythonAdobe IllustratorAdobe PhotoshopHTML5Node.jsAdobe XDUnity

From Jynnie's professional profile.

Frequently asked questions

Who is Jynnie Tang?
Jynnie Tang previously worked at Retool and One More Multiverse, and studied at MIT. She is now building Napkin Math, an AI-powered food journal application.
Where does Jynnie Tang work?
Jynnie Tang is Founder of Napkin Math.
What companies did Jynnie Tang found?
Jynnie Tang founded Napkin Math.
Where did Jynnie Tang go to school?
Jynnie Tang studied at Massachusetts Institute of Technology.

Founder mafias

Y Combinator mafia9,496

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Hotspots

+ 9,489 more

Massachusetts Institute of Technology mafia789

Also came through, then founded or led a company.

Elad GilPhDFounded Brain Co. +1Hemant TanejaMinorFounded Hippocratic AINat FriedmanBachelor of ScienceFounded XamarinBrad FeldS.B.Founded TechstarsMatt HuangB.S.Founded HotspotsDelian AsparouhovDropoutFounded Nightingale +1

+ 782 more

Samsara mafia19

Also came through, then founded or led a company.

Hemant TanejaBoard MemberFounded Hippocratic AIJames HarveyMember Of Technical StaffFounded ZeroMailer +1Marc AndruskoDirectorFounded OpswareEvaline TsaiProduct ManagerFounded Cambridge Cancer GenomicsRish GuptaSenior Product ManagerFounded SpotAIFelipe KettlunInternFounded Blissway

+ 12 more

Retool mafia12

Also came through, then founded or led a company.

Rebecca LeeDeployed EngineerFounded Elayne +1Apurva ShrivastavaEngineerFounded Avoca +1David DworskyProductFounded TelescopeAusta JiangSoftware EngineerFounded NototoMark FlorkowskiSupport EngineerFounded T3 ChatJeff AnEngineering Lead - Retool as CodeFounded Momentic

+ 5 more

Same school

Also attended Massachusetts Institute of Technology1,740

Fred WilsonCo-founder & Partner at Union Square VenturesElad GilSolo general partner investing through Gil CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesHemant TanejaCEO & Managing Director of General CatalystPhilippe LaffontFounder & CIO of Coatue ManagementNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDG

+ 1,734 more

Shared employers

Also worked at Napkin Math2

Manuel CastroFounder at Napkin MathClaire NordFounder at Napkin Math

Also worked at Retool17

Ghazi MasoodVenture Partner at Ansa CapitalBryan SchreierPartner at Sequoia CapitalDavid DworskyPrincipal at Emergence Capital PartnersGeorge KuntharaInvestor at Emergence Capital PartnersJustin GageVP of Marketing at Amplify PartnersSerena LiuInvestor at Hummingbird Ventures

+ 11 more

Also worked at One More Multiverse3

Sara AlfageehFounder at MultiverseHisham BedriFounder at MultiverseThariq ShihiparFounder at Multiverse

Also worked at Samsara27

Hemant TanejaCEO & Managing Director of General CatalystHemamAdvisor at Clear VenturesShriya ParepallyInvestor at Riverwood CapitalAidan Madigan-CurtisPartner at Eclipse VenturesEvaline TsaiPrincipal at Gigascale CapitalAustin NicholsSales Coach at Galileo Ventures

+ 21 more