Yonatan Mandelbaum

Active Investor

Venture investor in Israel

Israel

Yonatan Mandelbaum, Venture investor in Israel is an active investor based in Israel. This profile covers what Yonatan Mandelbaum backs, at which stage, and how founders can reach out in 2026.

Investor type
VCPE
Stages
SeedSeries A
Invests in
Artificial IntelligenceSaaS & EnterpriseRobotics & AutomationAR/VR & Metaverse
Location
Israel
Typical check
$625K
Past investments
36

Notable investments

RealFlip FitPrettyDamnQuick (PDQ)GranulateRookoutAiris LabsImmunaiFireboltSkyline AIOribiAqua SecurityGuesty

How to reach Yonatan Mandelbaum

Angels and operators like Yonatan Mandelbaum reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.

Reach active investors like this one

Application closes in --:--:--
Get investor contacts

About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Yonatan Mandelbaum." Round Funded investor database, updated September 9, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/yonatan-mandelbaum

Frequently Asked Questions

What does Yonatan Mandelbaum invest in?

Yonatan Mandelbaum invests in Artificial Intelligence, SaaS & Enterprise, Robotics & Automation and AR/VR & Metaverse, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.

What stage does Yonatan Mandelbaum invest at?

Yonatan Mandelbaum typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.

What is Yonatan Mandelbaum's typical check size?

Yonatan Mandelbaum typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

Application closes in --:--:--
Get investor contacts