Joab Rosenberg

Information

Biography

Joab Rosenberg is a Partner at Deep33 Ventures, a $200M early stage fund, where he invests globally in frontier technologies including quantum computing and AI infrastructure. He sits on the board of Quamcore and Q-factor. A physicist by training, he holds two MSc degrees, most recently in Quantum Optics and Quantum Foundations, and combines deep technical expertise with a background in philosophy. Prior to venture capital, Rosenberg served in the Israel Government, and led the elite Talpiot Program, shaping Israel’s next generation of defense-technology leaders. He previously founded and led Ment.io, which built advanced AI-driven technologies, and he is also a published Hebrew poet.