2025 Silent Capital Report now available. Where family offices and LPs are actually deploying. [Download for free →]
About usSign in
Status
ACTIVE
Global HQ
New York, United States
Countries of investment
  • United States
  • Israel
Investment stages
  • Seed
  • Series A
Industries
  • Quantum Computing
  • Advanced Energy
  • AI Infrastructure
  • Autonomous Robotics
  • Deep Tech
About
Deep33 Ventures is a New York-based venture capital firm focused on backing deep tech companies bridging Israeli engineering and U.S. national resilience. Their focus spans quantum computing, advanced energy, AI infrastructure, and autonomous robotics across United States and Israel. The firm supports deep tech founders from Seed through Series A.
Min check size
$1M
Max check size
$5M
Fund size
NPS

Investment Thesis

Deep33 Ventures is an early-stage venture capital firm deploying capital across quantum computing, advanced energy, AI infrastructure, and autonomous robotics sectors. They invest in the hard systems that sustain a modern sovereign state, focused on the US-Israel allied infrastructure corridor and moving technologies from post-research to commercial breakthrough. The firm differentiates itself through an expert-first model with vertical leads drawn from Israel's technical and security ecosystem, guiding companies through regulatory, government-partnership, and scale-up challenges.
Lead investor
Co Invest
Number of exits
Preferred contact method

Manager's Experience

Lior Prosor was previously Partner at Hanaco Ventures with investments including Via Transportation, DigitalOcean, Lemonade, UVeye, and Carbyne. Michael Broukhim is co-founder of FabFitFun and angel investor with early stakes in SpaceX, Stripe, Hut8, and Groq. Lior Susan is founder of Eclipse Ventures and a pioneer of the deep tech revolution in Silicon Valley. The expert-first vertical leads include senior IDF Intelligence officers, a quantum physicist from the Weizmann Institute, and former chief of staff to Israel's Ambassador to the US.

Deep33 Ventures Contacts Information

Primary contact

Secondary contact

Team

Lior Prosor - Managing Partner & Co-Founder

Michael Broukhim - Managing Partner & Co-Founder

Lior Susan - Chairman

Joab Rosenberg - Quantum Vertical Lead

Yael Barsheshet - AI Infrastructure Vertical Lead

Ori Amsalem - Energy Vertical Lead

Yarden Golan - Venture Partner Government Relations

Elram Goren - Autonomous Systems Advisor

Portfolio

Quamcore

CyberRidge

Particle

Q-Factor

Fund number
Vintage Year
Net Internal Rate of Return
Investment Multiple
Capital Allocation
Management Fee
Carried Interest
AUM
Follow-on Investments
Graduation Rate
Write-Off Ratio
Last profile update timestamp