Fundraising Fox
🦊/People
Sign in

Yoni Cheifetz

Investor

Partner at Lightspeed Venture Partners · Board director at Harmony IT · Board director at At-Bay · Director; Partner, Lightspeed Venture Partners at Cato Networks

Israel

Writes $25K – $20M checks · typically $15M

Find your path to Yoni

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

Hope CochranunlockedYoni: together at Demantra (2001)
×5Yoni: together at Demantra
×3Yoni: together at Bluevine
×3Yoni: together at Lightspeed Venture Partners

About

Yoni Cheifetz, an Israeli-based partner since 2006, was granted a $10M open-check mandate to independently back Israeli tech, focusing on ambitious infrastructure plays (e.g., Cato Networks) and democratizing fintech platforms.

Contact· self-published, not guessed

Invests in

AI & Machine LearningConsumerEnterprise SoftwareFintechHealthtech

Board director at Harmony IT

Intro paths

→

In turn, Yoni can intro founders to Harmony IT's investors below.

Harmony IT's investors · 1

Lightspeed Venture PartnersMenlo Park · $1.7M – $87M checks · since 2025

Co-founders at Harmony IT

NS
Nitzan ShapiraExecutive Officer, Director
RRRan Ribenzaft
Ran RibenzaftExecutive Officer, Director

Board director at At-Bay

Intro paths

→

In turn, Yoni can intro founders to At-Bay's investors below.

At-Bay's investors · 14

Acrew CapitalSan Francisco · $1M – $15M checks · since 2022Gallatin Point CapitalGreenwich · $50M – $200M checks · since 2022Glilot Capital PartnersHerzliya · $1.5M – $70M checks · since 2022Harmony PartnersNew York · since 2022Icon VenturesPalo Alto · $6M – $12M checks · since 2022Khosla VenturesMenlo Park · $5K – $50M checks · since 2022Lightspeed Venture PartnersMenlo Park · $1.7M – $87M checks · since 2022LocalGlobeLondon · since 2022M12 (Microsoft's Venture Fund)Seattle · $100K – $10M checks · since 2022Munich Re VenturesSan Francisco · since 2022Phoenix CourtLondon · since 2022Qumra CapitalTel Aviv · $15M – $30M checks · since 2022RPS VenturesLos Altos · $5M – $20M checks · since 2022Union Tech VenturesTel Aviv · since 2022

Co-founders at At-Bay

RIRotem Iram
Rotem IramCo-founder & CEO
RIRoman Itskovich
Roman ItskovichCo-founder & Chief Risk Officer

Director; Partner, Lightspeed Venture Partners at Cato Networks

Intro paths

→

In turn, Yoni can intro founders to Cato Networks's investors below.

Cato Networks's investors · 16

Acrew CapitalSan Francisco · $1M – $15M checksAdams Street PartnersChicago · $150M – $750M checksArcher Capital GroupLos AngelesArcher Venture CapitalLos AngelesAspect VenturesPalo AltoBallistic VenturesSan Francisco · $1M – $5M checksCoatue ManagementNew York · $1M – $20M checks · since 2021Greylock PartnersSan Francisco · $100K – $200M checks · since 2021Lightspeed Venture PartnersMenlo Park · $1.7M – $87M checks · since 2021Owl CapitalSingTel Innov8 Pte Ltd.Singapore · $4M – $80M checks · since 2021Sixty Degree CapitalNorth YorkSoftBank Vision FundLondonSwisscom VenturesZurich · $2M – $10M checksUS Venture PartnersMenlo Park · $500K – $10M checks · since 2015Vitruvian PartnersLondon · $43M – $648M checks

Co-founders at Cato Networks

SKShlomo Kramer
Shlomo KramerCo-Founder and CEO
GS
Gur ShatzCo-Founder and Board Member

Experience

  1. PonteraDirectorcurrent2021 — present
  2. Cato NetworksDirectorcurrent2018 — present
  3. Lightspeed Venture PartnersPartnercurrent2006 — presentIsrael
  4. Theranica Bio-Electronics Ltd.Directorcurrent2017 — present
  5. At-BayDirectorcurrent2017 — presentUnited States
  6. AloomaDirectorcurrent2015 — presentIsrael
  7. Personetics TechnologiesDirectorcurrent2013 — present
  8. BlueVineDirectorcurrent2013 — present
  9. Ginger SoftwareDirectorcurrent2008 — present
  10. ScodixDirectorcurrent2013 — present
  11. SolarEdgeDirectorcurrent2010 — present
  12. OutbrainDirectorcurrent2008 — present
  13. EpsagonDirector2018 — 2021
  14. EyeViewObserver2014 — 2017
  15. Teads.tvDirector2007 — 2017
  16. EarnixChairman2000 — 2010Israel
  17. Sheer NetworksDirector2004 — 2006
  18. AeroScoutDirector2003 — 2006
  19. DemantraCEO1996 — 2001

Skills & more

Entrepreneurship48Venture Capital82Angel Investing15Product Management14Business Strategy14Private Equity13Start-ups60

From Yoni's professional profile.

Deals · 1

Harmony ITBoard seat

via Lightspeed Venture Partners · filed Jul 2025 · $5M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Board seats

At-Bay

Per SEC Form D filings.

Colleagues at Lightspeed Venture Partners

Alexander Schmitt
Partner at Lightspeed Venture Partners
Amber Yang
Investor at Bloomberg Beta
Anand Iyer
Investor and founder in San Francisco
Anoushka Vaswani
Partner at Lightspeed Venture Partners
Antoine Moyroud
Partner at Lightspeed Venture Partners
Arif Janmohamed
Partner at Lightspeed Venture Partners
Banafsheh Fathieh
General Partner at Faction
Barry Eggers
Co-Founder, Lightspeed at Giant Ventures Global Llp

Network7

Andreas WeiskamScout
Partner and Co-Founder of Sapphire Ventures, focused on European investments
Andy VitusScout
Partner at Scale Venture Partners
Avi ZeeviScout
Co-Founder and General Partner at Viola Ventures
Bruce TaraginScout
Managing Director at Blumberg Capital
Daniel CohenScout
Senior Advisor at Viola Ventures
David J. BlumbergScout
Founder and Managing Partner of Blumberg Capital
Dominic EndicottScout
Director at Northstar Ventures

Investors connected to Yoni in public investor directories — a warm-intro map.

Frequently asked questions

Who is Yoni Cheifetz?
Yoni Cheifetz, an Israeli-based partner since 2006, was granted a $10M open-check mandate to independently back Israeli tech, focusing on ambitious infrastructure plays (e.g., Cato Networks) and democratizing fintech platforms.
Where does Yoni Cheifetz work?
Yoni Cheifetz is Partner at Lightspeed Venture Partners and Board director at Harmony IT and Board director at At-Bay and Director; Partner, Lightspeed Venture Partners at Cato Networks.
What does Yoni Cheifetz invest in?
Yoni Cheifetz invests in AI & Machine Learning, Consumer, Enterprise Software, Fintech, Healthtech.
What check size does Yoni Cheifetz write?
Yoni Cheifetz typically writes checks of $25K – $20M.
What boards does Yoni Cheifetz sit on?
Yoni Cheifetz holds tracked board seats at At-Bay, Harmony IT.
Where did Yoni Cheifetz go to school?
Yoni Cheifetz studied at Weizmann Institute of Science; Tel Aviv University.

Same school

Shared employers