Fundraising Fox

Yonatan Mandelbaum

Investor

Partner at TLV Partners

Tel Aviv, Israel

Writes $2M – $8M checks · typically $4M

About

Yonatan Mandelbaum coined the Patriotism as a Service concept and champions DefenseTech—prioritizing dual-use defense technologies over generic cybersecurity—while acting as a visible AI commentator and educator mapping Israel's ML ecosystem.

LinkedIn ↗X / Twitter ↗

Invests in

AI & Machine LearningBiotechCybersecurityDeveloper ToolsFintech

Experience

  1. TLV PartnersPartnercurrent2023 — presentTel Aviv-Yafo, Tel Aviv District, Israel
  2. TLV PartnersPrincipal2020 — 2023Tel Aviv District, Israel
  3. TLV PartnersAssociate2017 — 2020Israel
  4. Spacial AIBoardcurrent2025 — present
  5. REALBoardcurrent2024 — present
  6. Airis LabsBoardcurrent2023 — present
  7. PrettyDamnQuick (PDQ)Boardcurrent2021 — present
  8. PanaxBoardcurrent2022 — present
  9. UnitBoardcurrent2020 — present
  10. GeltBoard Observercurrent2021 — present
  11. DeepCureBoard Observercurrent2019 — present
  12. Run:ai (Acquired by NVIDIA)Board Observer2018 — 2025
  13. Nevo NetworkFellow2021 — 2022Israel
  14. iAngelsInvestment Team2014 — 2017Tel Aviv
  15. Israel Defense ForcesSquadron Commander2012 — 2014
  16. American GreetingsBusiness Development Consultant2009

Education

  1. Reichman UniversityBusiness Administration and Management, Finance
  2. Yeshivat Har Etzion2010 — 2012

Skills & more

Leadership26Venture Capital11Early-stage Startups9Public Speaking11Business Development15

Languages English · Hebrew

From Yonatan's professional profile.

Same school

Also attended Reichman University153

Juriaan DuizendstraalInvestor at Index VenturesLisa CohenInvestment Director at Intel CapitalDean MeyerInvestor at Sequoia CapitalYaron CarniFounder at Maverick Ventures IsraelNoa RandOperations Manager at Ibex InvestorsLior AvisarVenture Investor at Alpha Partners

+ 147 more

Shared employers

Also worked at TLV Partners13

Rona SegevCo-Founder and Managing Partner at TLV PartnersEitan BekCo-Founder and Managing Partner at TLV PartnersBrian SackPartner at TLV PartnersShahar TzafrirManaging Partner at TLV PartnersAdi ToledanoGeneral Partner and CFO at TLV PartnersBar DorAssociate at TLV Partners

+ 7 more

Also worked at Spacial AI1

Robin VasanFounder & Solo General Partner at Mango Capital

Also worked at Israel Defense Forces117

Juriaan DuizendstraalInvestor at Index VenturesMatan RoetAssociate at Redpoint VenturesRon ZoriVenture Partner at Lerer HippeauDaniel SimonVenture Partner at FJ LabsGal GitterPartner at Alpha PartnersLior AvisarVenture Investor at Alpha Partners

+ 111 more

Also worked at American Greetings1

Matt SteinChief Information Officer at Flare Capital Partners

Colleagues at TLV Partners

Adi Toledano
General Partner and CFO at TLV Partners
Alma Sher
Office Administrator at TLV Partners
Bar Dor
Associate at TLV Partners
Brian Sack
Partner at TLV Partners
Dana Harel
VP Marketing at TLV Partners
Daniella Avni
VP Finance at TLV Partners
Diana Shammas
Legal Counsel at TLV Partners
Edna Yehudai
Bookkeeper at TLV Partners

Network4

Adi Toledano
General Partner and CFO at TLV Partners
Bar Dor
Associate at TLV Partners
Brian Sack
Partner at TLV Partners
Eitan Bek
Co-Founder and Managing Partner at TLV Partners

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