We merge decades of academic excellence with deep product and engineering expertise.
Team
World-Class Science.
Real-World Solutions.
zerothird was founded by scientists and engineers behind some of the most impactful quantum experiments in the world—with our founders serving as core members of Dr. Anton Zeilinger's Nobel Prize-winning laboratory.
Our team merges decades of academic excellence with deep product and engineering expertise. This unique convergence of scientific rigor and practical implementation experience enables us to deliver quantum security solutions that are simultaneously at the cutting edge of physics and designed for real-world deployment. From our Vienna headquarters, we're expanding quantum security across Europe and beyond.
Our Experienced Team
Founders & CEO
Felix Tiefenbacher &
Rupert Ursin
Quotes
“When it comes to Quantum Tech, the guys from Vienna have been world leaders in research for years and now have a realistic chance of becoming one of the world market leaders in production and sales. Only then will you transfer data securely, even against future generations of hackers with access to unlimited resources.”
Advisory Board Member
Hannes Ametsreiter
“Quantum technology and deriving processing power will be a huge challenge for existing security, encryption and communication systems. The company 'Quantum Industries' with their unique technology will protect against these threats and make sure to lift security of communication and data exchange to the highest possible level for industry, politics and business.”
Advisory Board Member
Christian Federspiel
Supported By Experts
Investor List.
zerothird is backed by Sparring Capital Partners, Findus Venture, KGAL, among others—investors with deep expertise in scaling frontier technology across infrastructure, defense, and critical systems.
protected by the laws of nature.
