Where does Yonatan Mandelbaum work?

Yonatan Mandelbaum is Partner at TLV Partners.

What check size does Yonatan Mandelbaum write?

Yonatan Mandelbaum typically writes checks of $2M – $8M.

Where did Yonatan Mandelbaum go to school?

Yonatan Mandelbaum studied at Reichman University (Business Administration and Management, Finance); Yeshivat Har Etzion.

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.

Contact· self-published, not guessed

y•••@tlv.partnersreveal

Invests in

AI & Machine LearningBiotechCybersecurityDeveloper ToolsFintech

Experience

TLV PartnersPartnercurrent2023 — presentTel Aviv-Yafo, Tel Aviv District, Israel
TLV PartnersPrincipal2020 — 2023Tel Aviv District, Israel
TLV PartnersAssociate2017 — 2020Israel
Spacial AIBoardcurrent2025 — present
REALBoardcurrent2024 — present
Airis LabsBoardcurrent2023 — present
PrettyDamnQuick (PDQ)Boardcurrent2021 — present
PanaxBoardcurrent2022 — present
UnitBoardcurrent2020 — present
GeltBoard Observercurrent2021 — present
DeepCureBoard Observercurrent2019 — present
Run:ai (Acquired by NVIDIA)Board Observer2018 — 2025
Nevo NetworkFellow2021 — 2022Israel
iAngelsInvestment Team2014 — 2017Tel Aviv
Israel Defense ForcesSquadron Commander2012 — 2014
American GreetingsBusiness Development Consultant2009

Skills & more

Leadership26Venture Capital11Early-stage Startups9Public Speaking11Business Development15

Languages English · Hebrew

From Yonatan's professional profile.

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

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.

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.
Where did Yonatan Mandelbaum go to school?: Yonatan Mandelbaum studied at Reichman University (Business Administration and Management, Finance); Yeshivat Har Etzion.