Fundraising Fox

Jonathan Aizen

Founder

Founder at Amitree

Amsterdam, North Holland, Netherlands

FoundedAmitree

Find your path to Jonathan

1,259 people in our graph share verified history with Jonathan — schools, employers, funds. One of them is your warm intro.

Mike ZakunlockedJonathan: together at Cornell (2000–2003)
×10Jonathan: together at Cornell
Jonathan: together at ironSource

Founder at Amitree

Intro paths

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In turn, Jonathan can intro founders to Amitree's investors below.

Amitree's investors · 4

AccelPalo Alto · $1.6M – $70M checks · since 2015Hemisphere Ventures LLCMckinneySeven Peaks VenturesBend · since 2017Vertical Venture PartnersPalo Alto · $500K – $4M checks

Experience

  1. NPOVPresidentcurrent2025 — presentAmsterdam, North Holland, Netherlands
  2. zofiQInvestor and Advisor2024 — 2026
  3. Inside Real EstateFolio by Amitree Founder2024
  4. Amitree (acquired by Inside Real Estate)Founder and CEO2012 — 2024San Francisco Bay Area
  5. Peer5Advisor2013 — 2021
  6. UpWest LabsMentor2013 — 2019San Francisco Bay Area
  7. Thunder IndustriesAdvisor2013 — 2019San Francisco Bay Area
  8. DeeplinkAdvisor2013 — 2018
  9. KeyweeAdvisor2013 — 2017
  10. 500 StartupsMentor2013 — 2017San Francisco Bay Area
  11. ironSource (previously AfterDownload)Executive Advisor2013 — 2014San Francisco Bay Area
  12. Yahoo!General Manager, Smart Ads2010 — 2012San Francisco Bay Area
  13. DapperCo-founder and COO2008 — 2010
  14. DapperCo-founder and CTO2006 — 2008
  15. Freelance Consultant2005 — 2006
  16. Internet ArchiveWeb Engineer2002 — 2005
  17. TuneCircleFounder and CTO2004
  18. Alexa InternetEngineer2000 — 2001
  19. WebTraxPresident1994 — 1999Amherst, MA

Skills & more

Early-Stage StartupsArtificial Intelligence (AI)Business AdvisingBusiness OperationsGeneral ManagementStart-ups90Online Advertising84Entrepreneurship34Business Strategy30Online Marketing29Strategy29Display Advertising23
+8 moreProduct ManagementMobile ApplicationsPublic SpeakingProduct MarketingAd ServingManagementDigital MediaUser Experience

Languages English · Hebrew · Spanish

From Jonathan's professional profile.

Frequently asked questions

Who is Jonathan Aizen?
Executive Officer, Director at Amitree
Where does Jonathan Aizen work?
Jonathan Aizen is Founder of Amitree.
What companies did Jonathan Aizen found?
Jonathan Aizen founded Amitree.
Where did Jonathan Aizen go to school?
Jonathan Aizen studied at Cornell University (B.A., Computer Science).

Founder mafias

Cornell mafia534

Also came through, then founded or led a company.

John ZimmerBSFounded LyftDavid SteinbergBAFounded Restorbio +3Hanson S. Gifford, IIIBSMEFounded Miramar Labs +3John WuAssociate ProfessorFounded Ava Labs +3Uri LopatinBAFounded Assemblybio +2Aniq RahmanB.S.Founded Ucmdigitalhealth +2

+ 527 more

ironSource mafia12

Also came through, then founded or led a company.

Daniel ShinarInvestor & Board observer (until IPO)Founded ZygChris CunninghamVice PresidentFounded C2 VenturesOmer KaplanCMO & Co-FounderFounded ZygShimon ToltsGeneral Manager - Cloud Infrastructure / Platform EngineeringFounded DatreeEyar (Epic) ZilbermanFull Stack DeveloperFounded DatreeYaron SchneiderDivision CTOFounded Diagrid

+ 5 more

UpWest mafia5

Also came through, then founded or led a company.

Shuly GaliliFounding PartnerFounded UpWestJessica Peltz-ZatuloveMentorFounded Hannah Grey VenturesJody ShapiroAdvisorFounded ProductivAmir TaichmanMentorFounded Unity SCM

Peer5 mafia3

Also came through, then founded or led a company.

Mingfeng WuInvestorFounded DecorMattersFarris WuInvestorFounded DecorMatters

Amitree mafia2

Also came through, then founded or led a company.

Tom GonserBoard Of DirectorsFounded DocuSign

Same school

Also attended Cornell University1,158

Jenny LeeSenior Managing Partner at Granite AsiaNeeraj AgrawalGeneral Partner at Battery VenturesJohn ZimmerCo-founder of LyftMichelle FernandesInvestor at Index VenturesMike ZakInvestor at CRV (Charles River Ventures)Micah RosenbloomGeneral Partner at Founder Collective

+ 1,152 more

Shared employers

Also worked at zofiQ1

Alex HoffFounder at Auvik Networks at Boreal Ventures

Also worked at 500 Startups234

Kaz TeradaVenture Advisor at Monta Vista CapitalChristal NgAssociate at Golden Gate VenturesJustin LedbetterChief Operating Officer, Marlan Space at Cortado VenturesMarinda LukInvestor at Initialized CapitalJessica KohSenior Executive Director, Investment at Vertex Ventures Sea Management Pte. Ltd.Jirapat SuvidejkosolSenior Associate, Investment at Vertex Ventures Sea Management Pte. Ltd.

+ 228 more

Also worked at Yahoo!429

Jess LeePartner and Chief Product Officer at Sequoia CapitalMike SpeiserManaging Director at Sutter Hill VenturesBrian ActonCo-founder of WhatsApp; co-founder of Signal FoundationStewart ButterfieldCo-founder of Slack and FlickrMax LevchinCo-founder of PayPal; founder, chairman & CEO of Affirm; partner at SciFi VCAmjad MasadCo-founder & CEO of Replit

+ 423 more

Also worked at Dapper2

Eran ShirInvestor at Nexar Inc.Matthew RocheExecutive Officer, Director at Extole