Fundraising Fox

Jack Phifer

Founder

Founder at Finary

New York, New York, United States

FoundedFinary · YC

About

Jack Phifer is co-founder and COO at Finary.

Founder at FinaryYC W21

Intro paths

YC

Jack went through Y Combinator (Winter 2021) — any YC alum in your network can reach them through the YC community.

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In turn, Jack can intro founders to Finary's investors below.

Finary's investors · 7

HedosophiaLondon · since 2025LocalGlobeLondon · since 2021PayPal VenturesSan Jose · $1M – $10M checks · since 2021Shaperssince 2025SpeedinvestVienna · $5M – $30M checks · since 2025Upfront VenturesLos Angeles · $1M – $10M checks · since 2021Y CombinatorSan Francisco · $500K checks · since 2021

Co-founders at Finary

RCRoger Cawdette
Roger CawdetteCo-Founder & CEO
DBDarian Bhathena
Darian BhathenaFounder
MLMichael Liu
Michael LiuFounder

Experience

  1. Scope LabsCo-Founder / CEOcurrent2023 — presentNew York, NY
  2. FanFeedCo-Foundercurrent2025 — presentNew York, United States
  3. Finary (YC W21)Co-Founder2020 — 2023San Francisco, California, United States
  4. Arq Advisors LLCSoftware Engineer Intern2020 — 2021
  5. NasdaqSoftware Engineering Extern2019 — 2020Greater Boston Area
  6. Data Intelligence Technologies, Inc.Software Engineering Intern2019
  7. Abdul Latif Jameel Poverty Action Lab (J-PAL)Undergraduate Researcher2019MIT
  8. Sunshine State Textbooks LLCCo-Founder and Owner2016 — 2019

Skills & more

Data Analysis4Back-End Web Development9Matlab3App Development8Leadership10CookingEntrepreneurship1

From Jack's professional profile.

Frequently asked questions

Who is Jack Phifer?
Jack Phifer is co-founder and COO at Finary.
Where does Jack Phifer work?
Jack Phifer is Founder of Finary.
What companies did Jack Phifer found?
Jack Phifer founded Finary.
Where did Jack Phifer go to school?
Jack Phifer studied at Y Combinator (Winter '21 Batch); Massachusetts Institute of Technology (Bachelor of Engineering - BE, Computer Science); Berkeley Preparatory School (High School Diploma).

Founder mafias

Y Combinator mafia8,773

Also came through, then founded or led a company.

Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1

+ 8,766 more

Y Combinator mafia4,716

Also came through, then founded or led a company.

Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3

+ 4,709 more

Massachusetts Institute of Technology mafia546

Also came through, then founded or led a company.

Elad GilPhDFounded Brain Co.Nat FriedmanBachelor of ScienceFounded XamarinMatt HuangB.S.Founded HotspotsDelian AsparouhovDropoutFounded Nightingale +1Drew HoustonBSFounded Dropbox +1Arash FerdowsiComputer ScienceFounded Dropbox

+ 539 more

Berkeley Preparatory School mafia2

Also came through, then founded or led a company.

Michael GeerFounded Humanity

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 VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures

+ 1,994 more

Also attended Massachusetts Institute of Technology1,521

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 CatalystNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGBrad FeldCo-founder of Foundry and Techstars

+ 1,515 more

Also attended Berkeley Preparatory School4

Kristin Gilliss MoyerCOO & Head of Portfolio at Mulago FoundationMichael GeerInvestor at Xtripe AngelsLulu FeldmanAssociate at Tailwind CapitalDan McDermottChief Content Officer, President of AMC Studios at AMC Networks

Shared employers

Also worked at Nasdaq54

Anthony CruzVenture Partner at IronGate Capital AdvisorsKavon BadieSenior Associate at Mighty CapitalNina RudankoCFO and Head of ESG at IPR.VCBetsy AtkinsAdvisor at Colle Capital PartnersNicole GottholdMarketing and Communications Manager at Manhattan Venture PartnersNissa TabasCompliance at Manhattan Venture Partners

+ 48 more

Also worked at Abdul Latif Jameel Poverty Action Lab (J-PAL)7

Carol MartinezSenior Manager, Data Scientist at Endeavor CatalystBaba Prasad NathInvestments at WaterBridge VenturesCarrie RuhVP of Risk & Head of Impact at Accial CapitalJuliette KeeleyChief Impact Officer at Shell FoundationHabib NuhuMarket Intelligence and Research Manager at Shell FoundationRohini Manyam SeshasayeeInvestor at Commonwealth

+ 1 more