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Leadership team

Jack Boyer OQC Chairman Circle

Jack Boyer
Chairman of the Board

As Chairman, Jack brings a wealth of experience to OQC in scaling deep-tech and engineering companies and was recognised with an OBE in 2015 for his contributions to science and engineering. He is currently also serving as Chair of Royce Hydrogen Accelerator, Bristol University and Non-Executive Director at Bela Holdings AG.  In his role as Chair, he works closely with OQC’s Board and leadership team to build on the company’s successes, and accelerate our impact on the global stage.

Sir Jeremy Flemming

Sir Jeremy Fleming KCMG CB
Director

Sir Jeremy is Former Director of GCHQ, the UK’s intelligence and cybersecurity agency, a position he held from 2017 to 2023. During his tenure, he transformed the organisation into a globally recognised cyber institution, establishing the National Cyber Security Centre (NCSC) and co-founding the National Cyber Force—significantly enhancing the UK’s sovereign cyber capabilities. His distinguished career began at MI5 in 1993, where he led critical operations, before going on to advise successive Prime Ministers and serving on the National Security Council and Joint Intelligence Committee.  Sir Jeremy has played a pivotal role in managing the UK’s response to major security incidents and strategic responses to geopolitical challenges, and brings his wealth of security and defence experience to OQC’s leadership team.

Gerald Mullally
Interim CEO

As CEO, Gerald spearheads the company vision, mission and values through the delivery of strategic objectives and ensuring shareholder value. Gerald has spent two decades delivering technology solutions for customers across life sciences, financial services, energy and defence at leading companies including Accenture and PwC. He was also a Director at the UK Prime Minister’s Office and Cabinet Office, working on security related projects; a position he held for 8 years.

Dr Peter Leek
Founder & CSO

Peter founded OQC in 2017 and is a pioneer in the field of quantum computing, particularly known for his contributions to superconducting quantum circuits. As CSO, he sets the company’s scientific vision, strategy and R&D to drive long term innovation. Since 2012, he has led his own research group at the University of Oxford, where OQC’s core IP was first developed. Peter is also a co-investigator in the UK’s national quantum computing research hub, where he continues to play a prominent role in the national programme. He holds a PhD from the University of Cambridge.

Simon Phillips
CTO

Simon Phillips is an experienced technology executive and seasoned entrepreneur, with experience in setting up and scaling technology businesses. As CTO, he is responsible for the technology roadmap, development and implementation to ensure commercialisation. From fundraising, to scaling internationally, Simon has a deep understanding of the fast-paced technology sector and demonstrates critical understanding of the quantum space, OQC’s technical capabilities and its market position.

Nikki Cooper
CLO

Nikki brings over 15 years of experience to the team including Chartered Financier, Chartered Company Secretary ACG and General Counsel. As CLO she supports the company through complex strategic decisions and processes, including investment raises. Nikki is an Associate Member ACG of the The Chartered Governance Institute UK & Ireland and a licensed professional solicitor accredited by the Solicitors Regulation Authority.