About Us

QEDIT enables companies to mitigate risk and stay competitive through privacy-compliant, cross-organizational data collaboration.



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Our suite of enterprise solutions employs Zero-Knowledge Proof cryptography, Secure Multiparty Computation, Homomorphic Encryption, and other privacy-enhancing techniques that help businesses share intelligence to detect fraud, fight financial crime, verify identifies, manage professional certifications and preserve privacy on blockchains — without exposing private data.  


Founded by a world-class team of accomplished tech entrepreneurs, researchers and developers, QEDIT boasts a staff of industry experts and professionals who love what they do.  The company is overseen by a Scientific Advisory Board that includes renowned scholars in advanced cryptography and ZKP systems from leading institutions around the globe.


QEDIT appeared on Crunchbase’s top 50  hottest global tech companies of 2019, as well as Business Insider’s 35 hottest Israeli Startups of 2020.  It is also proud to have been recognized by the World Economic Forum as a 2019 Technology Pioneer in the field of data privacy.

Jonathan Rouach
CEO, Co-Founder

Jon is a veteran entrepreneur and an accomplished business leader. Prior to launching QEDIT, he co-founded two blockchain companies, the latter of which was sold to Digital Asset Holdings in 2015. He holds a degree in Electrical Engineering from the Technion.

Ruben Arnold
Executive Chairman, Co-Founder

Ruben is a serial entrepreneur, the co-founder of two blockchain companies in Israel and a former consultant in management and organization at McKinsey. He holds a degree in Electrical Engineering from the Technion.

Professor Aviv Zohar
Chief Scientist, Co-Founder

Aviv is a leading expert on resilient blockchain consensus schemes and a professor in Computer Science at the Hebrew University of Jerusalem. He also serves as a steering committee member and co-organizer of ZKProof.org.

Ori Wallenstein
VP Product

Ori is an experienced product leader in B2B and B2B2C markets. As the former Director of Product Management at McGraw Hill Education, he oversaw the development of products from inception to launch. Ori holds a BSc in Computer Science from the Interdisciplinary Center in Herzilya and an MBA from Tel Aviv University.

Shiri Lemel
VP Business Development

Before joining QEDIT, Shiri was the technical sales lead for IBM’s Enterprise Security Product, Trusteer. She brings broad professional experience from the financial and healthcare sectors, and holds an Engineering degree and an MBA from Tel Aviv University.

Samantha Rose Stein
Chief Strategy Officer

Samantha is a seasoned entrepreneur, business advisor and media expert. Prior to joining QEDIT, she was named a Curator, Global Shaper, and Media Leader for the World Economic Forum, and served as the Director of Special Projects at TechCrunch.

Daniel Benarroch
Director of Research
Aurelien Nicolas
Protocol Engineer
Pablo Kogan
Senior Software Engineer
Uri Brecher
Backend Engineer
Ahmad Musa
DevOps Engineer
Brett Schor
Head of Marketing and Communications
Sara Eidelshtein
UX/UI Designer
David Hayat
Ecosystem Lead
Miri Kaufman
International Sales Manager
Dan Lipiec
Business Development Manager
Leonid Ostrovsky
Professional Services Engineer
Marta De Stradis
Business Development Manager
Liad Zohar
Office Manager
Neta Cohen
Personal Assistant to the CEO
Emilie Noel
Head of Recruiting
Yael Cabilly
Legal Counsel
Our Partners
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Professor Eran Tromer
Scientific Advisor

Eran is a world-renowned expert in cryptography, zero-knowledge proof systems, and zkSNARKS. He is an assistant Professor at Tel Aviv and Columbia University.

Professor Justin Thaler
Scientific Advisor

Justin is an expert in designing highly efficient protocols for zero-knowledge proofs and an Assistant Professor in the Department of Computer Science at Georgetown University.

Professor Dario Flore
Scientific Advisor

Dario is an expert in provably-secure cryptographic primitives and serves as an Associate Research Professor at the IMDEA Software Institute.

Burt Kaliski
Scientific Advisor

Burt is a cryptographer and technology leader recognized for his role in developing the Public-Key Cryptography Standards (PKCS) while at RSA Laboratories. He currently serves as Chief Technology Officer and Senior Vice President at Verisign

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