Prof. Jeremy O'Brien (PsiQuantum): 10 Key Things You Must Know
Overview
Prof. Jeremy O'Brien is a prominent figure in the field of quantum computing, known primarily for his role as the co-founder and CEO of PsiQuantum. Born in Australia in 1975, O'Brien has dedicated his career to advancing quantum technology. PsiQuantum, the company he helped establish, aims to build the world's first useful and commercially viable quantum computer using photonic technology. As of 2025, the company is highly regarded within the quantum technology industry and has received significant investments, highlighting the potential of its endeavors.
Early Life and Education
- Jeremy O’Brien was born on November 7, 1975, in Australia. He pursued his education at the University of New South Wales, where he earned a Ph.D. in physics. Driven by a passion for exploring the bounds of scientific knowledge, O'Brien developed a strong foundation in quantum optics, optical quantum metrology, and quantum information science during his academic journey.
PsiQuantum's Foundation
- In 2016, O’Brien co-founded PsiQuantum along with fellow academics. The company was established with a clear mission to develop a photonic-based quantum computer capable of solving complex problems beyond the reach of classical computers. By leveraging existing semiconductor manufacturing techniques, PsiQuantum seeks to integrate quantum computing into mainstream technology.
Academic Contributions
- Before launching PsiQuantum, O'Brien was a Professorial Research Fellow and Director of the Centre for Quantum Photonics at the University of Bristol. His work in academia significantly advanced the development of optical quantum computing, notably demonstrating the first optical quantum controlled NOT gate.
PsiQuantum's Achievements
- Under O’Brien's leadership, PsiQuantum has made substantial progress, raising over $750 million in capital and partnering with global technology leaders. The company is focusing on developing a million-qubit quantum computer, a significant leap from current capabilities. PsiQuantum’s approach uses photons to process qubits, providing a path toward fault-tolerant quantum computing.
Challenges and Vision
- One of the challenges faced by O'Brien and his company is the high error rate in quantum computers. O’Brien has emphasized the importance of developing error correction and fault tolerance in quantum systems to achieve practical applications. His vision includes using quantum computing to advance areas such as material science, pharmaceuticals, and energy.
Global Collaborations
- PsiQuantum has established collaborations with governments and educational institutions worldwide to facilitate its research and development efforts. The company has partnered with entities like GlobalFoundries to manufacture its quantum chips and aims to set up quantum computing facilities in Brisbane and Chicago.
PsiQuantum’s Valuation and Funding
- As of 2025, PsiQuantum boasts a valuation of $6 billion, reflecting investor confidence in the potential impact of its quantum computing technology. This valuation has been supported by substantial investments from major venture capital firms, including BlackRock and Microsoft’s M12.
Impact on Quantum Computing
- O'Brien’s work at PsiQuantum is considered trailblazing in the realm of quantum computing, setting new benchmarks for the industry. His focus on practical scalability through partnerships with semiconductor giants highlights his strategic approach to overcoming the inherent challenges of quantum computing.
The Role of Mark Thompson
- Mark Thompson, a co-founder and the Chief Technologist at PsiQuantum, has been integral to the company’s approach. His work on developing integrated photonic quantum technologies has been pivotal in advancing PsiQuantum's mission.
Future Prospects
- Looking forward, O’Brien is optimistic about the role of quantum computing in addressing global challenges. He believes that PsiQuantum's innovations could revolutionize industries such as healthcare, transportation, and energy by enabling the development of new materials and chemical compounds.
Conclusion
Prof. Jeremy O'Brien's journey from academia to the forefront of quantum computing entrepreneurship highlights his commitment to advancing this transformative technology. With PsiQuantum poised to make significant breakthroughs, O'Brien's leadership and vision continue to inspire progress in the quest for practical quantum computing solutions.