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Yonatan Mandelbaum

Investor

Partner at TLV Partners

Tel Aviv, Israel

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

Find your path to Yonatan

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

Matt SteinunlockedYonatan: together at American Greetings (2009)
×4Yonatan: together at Nevo Network
×3Yonatan: together at iAngels
×2Yonatan: together at Run:ai (Acquired by NVIDIA)

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.

Contact· self-published, not guessed

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

Skills & more

Leadership26Venture Capital11Early-stage Startups9Public Speaking11Business Development15

Languages English · Hebrew

From Yonatan's professional profile.

Investments

Investor

AttestableNoblePanaxPrettyDamnQuickSpacial

Per curated public sources.

Colleagues at TLV Partners

Adi Toledano
General Partner and CFO at TLV Partners
Alma Sher
Office Administrator 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
Eitan Bek
Co-Founder and Managing Partner at TLV Partners

Network3

Adi Toledano
General Partner and CFO 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.

Frequently asked questions

Who is Yonatan Mandelbaum?
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.
Where does Yonatan Mandelbaum work?
Yonatan Mandelbaum is Partner at TLV Partners.
What does Yonatan Mandelbaum invest in?
Yonatan Mandelbaum invests in AI & Machine Learning, Biotech, Cybersecurity, Developer Tools, Fintech.
What check size does Yonatan Mandelbaum write?
Yonatan Mandelbaum typically writes checks of $2M – $8M.
What companies has Yonatan Mandelbaum invested in?
Investments tracked here include Attestable, Noble, Panax, PrettyDamnQuick, Spacial.
Where did Yonatan Mandelbaum go to school?
Yonatan Mandelbaum studied at Reichman University (Business Administration and Management, Finance); Yeshivat Har Etzion.

Same school

Shared employers