Fundraising Fox

Jack Arenas

Investor

Principal at Founder Collective

NYC

About

Jack Arenas is a Principal at Founder Collective, based in the firm's NYC office. He previously spent about a decade building and scaling startups. His writing covers topics in AI, including model inference and training and the commoditization of tool use.

Experience

  1. Founder CollectivePrincipalcurrent2024 — present
  2. Brooklyn HealthBoard Member2023 — 2025
  3. Story VenturesScout2022 — 2024
  4. Modern LifeCo-Founder & CTO2021 — 2024
  5. Prism DataCo-Founder2021
  6. PetalCo-Founder & CTO2016 — 2021
  7. TripleLiftSoftware Engineer, Lead2015 — 2016New York, New York, United States
  8. Goldman SachsAnalyst2013 — 2015New York, New York, United States
  9. AmazonSoftware Engineer2013Seattle, Washington, United States

Education

  1. University of California, BerkeleyBachelor of Arts - BA, Computer Science
  2. University of California, BerkeleyBachelor of Arts - BA, Economics
  3. Universidad de GranadaDocumentary Filmmaking

Skills & more

PythonJavaAndroidiOSPerljQueryRuby on RailsCStataAmazon Web Services (AWS)ScalaJavaScript
+11 morePython (Programming Language)SpanishProduct ManagementWeb DevelopmentComputer ScienceData StructuresSchemeGroovyLeadershipPublic SpeakingComputer Security

Languages English · French · Spanish

From Jack's professional profile.

Colleagues at Founder Collective

Amanda Herson
General Partner at Founder Collective
Brent Willess
Principal at Founder Collective
Dan Sommer
Partner at Founder Collective
Dave Bisceglia
Venture Partner at Founder Collective
David Frankel
Seed Stage Venture Capital in the United States
Emily Jenkins
Operations Manager at Founder Collective
Eric Paley
Entrepreneur and Seed Investor in Cambridge, MA
Jack Groetzinger
Venture Partner at Teamworthy Ventures

Frequently asked questions

Who is Jack Arenas?
Jack Arenas is a Principal at Founder Collective, based in the firm's NYC office. He previously spent about a decade building and scaling startups. His writing covers topics in AI, including model inference and training and the commoditization of tool use.
Where does Jack Arenas work?
Jack Arenas is Principal at Founder Collective.
Where did Jack Arenas go to school?
Jack Arenas studied at University of California, Berkeley (Bachelor of Arts - BA, Computer Science); University of California, Berkeley (Bachelor of Arts - BA, Economics); Universidad de Granada (Documentary Filmmaking).

Founder mafias

University of California, Berkeley mafia538

Also came through, then founded or led a company.

Steve WozniakBSFounded AppleTony XuB.S.Founded DoorDashAravind SrinivasDoctor of Philosophy - PhDFounded PerplexityAli GhodsiPost-docFounded DatabricksRyan PetersenBAFounded FlexportDavid FriedbergBAFounded Climate +2

+ 531 more

Goldman Sachs mafia249

Also came through, then founded or led a company.

Fred EhrsamTraderFounded Nudge +1Matt HuangSummer AnalystFounded HotspotsDavid VélezAnalystFounded NubankTarek MansourEquity Derivatives AnalystFounded KalshiColin WebbSummer AnalystFounded SaucepricingJeppe RindomSummer InternshipFounded Pleo

+ 242 more

Founder Collective mafia10

Also came through, then founded or led a company.

Chris DixonCo-FounderFounded HunchNadia BoujarwahVenture PartnerFounded DIA Styling +1Micah RosenbloomManaging PartnerFounded Founder CollectiveDavid FrankelManaging PartnerFounded Founder CollectiveDave BiscegliaVenture PartnerFounded The Tap LabBill TrenchardFounder PartnerFounded LiveOps

+ 3 more

Universidad de Granada mafia6

Also came through, then founded or led a company.

Oleksii SidorovMaster of Science - MSFounded Slise +1Justin MasonMinorFounded CaringAIMatthew LevinsonEspañolFounded Write WiseEfren A. LamoldaComputer Science EngineeringFounded mdhubFernando San MartinBachelor of Science (B.Sc.)Founded Thyme

Triple Lift mafia3

Also came through, then founded or led a company.

Chris HsuSoftware Engineering InternFounded UnsaddlCameron SpillerSoftware Engineering InternFounded Soria

Same school

Also attended University of California, Berkeley1,361

Byron DeeterPartner at Bessemer Venture PartnersSteve WozniakCo-founder of AppleTony XuCo-founder & CEO of DoorDashAravind SrinivasCo-founder & CEO of Perplexity AIAli GhodsiCo-founder & CEO of DatabricksRyan PetersenFounder & CEO of Flexport

+ 1,355 more

Also attended Universidad de Granada21

Ashley CravensHead of Operations and Platform at Uncork CapitalKarina DonovanOperations Analyst at Red Cell IncubationJovana RuzicExecutive Assistant at Collide CapitalRoss StrachanInvestor at Adara VenturesJan AdamsPartner at Apollo Health VenturesAlejo ChornyPrincipal Investment at Criteria Bio Ventures

+ 15 more

Shared employers

Also worked at Story Ventures6

Chris QuaidooVenture Partner at Griffin Gaming PartnersJacob YormakFounder and Managing Partner at Story VenturesBrian YormakFounder and Managing Partner at Story VenturesWeronika StefańczykExecutive Associate and Office Manager at Story VenturesJenna WittenInvestor Relations at Story VenturesMark WebsterInvestor at Entrepreneurs Roundtable Accelerator (ERA)

Also worked at Prism Data2

Vishal VasishthCo-Founder & Managing Director at Obvious VenturesJacob YormakFounder and Managing Partner at Story Ventures

Also worked at Petal7

Ariana PoursartipVenture Partner at AtlanticoDavid FrankelPartner at Hanaco Venture CapitalAndrew EndicottFounding Partner at Gilgamesh VenturesPhilippe SuchetVenture Partner at Spider CapitalNik MilanovićGeneral Partner at The Fintech FundDasmer SinghFounder at Allowance

+ 1 more

Also worked at TripleLift8

Tony WellsVenture Partner at Copper Sky CapitalDavid BeiselCo-founder and Partner at NextView VenturesJohn EltonPartner at GreycroftEric BerryInvestor at Averin CapitalAmy TherattilChief of Staff at Averin CapitalDan GoldinInvestor at Entrepreneurs Roundtable Accelerator (ERA)

+ 2 more