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Our team

In stealth mode, the Arqit team has developed a radical new crypto system and tested it with some of the world’s most advanced government and enterprise users.

Senior Leadership

David Williams

Founder Chairman and CEO

David was the co-founder and CEO of Avanti, a start-up company which pioneered the use of Ka band satcoms to deploy a fleet of four high throughput geostationary telecom satellites serving EMEA. The company counted the British Government as its largest customer, for very high resilience, high security communications services. David served as Founder Chairman of the Advisory Board of Seraphim Space Ventures, a $100m high technology venture capital firm based in London, a project which he initiated with UK Government support in 2014. Prior to this David was an investment banker, financing international telecoms businesses. David has a BA Hons Degree in Economics and Politics from the University of Leeds. David was granted the Queens Award for Export in 2015 and Quoted Company Entrepreneur of the Year award in 2006.

David Bestwick

CTO and Co-Founder

David was the co-founder and CTO of Avanti Communications, a start-up company which pioneered the use of Ka band satcoms to deploy a fleet of four high throughput geostationary telecom satellites serving EMEA. The company was the first to fly a new generation of spacecraft payloads which provided massively increased flexibility and in-orbit reconfiguration capabilities. This was recognised by the Royal Aeronautical Society which awarded the Company a Silver Medal in 2011. David also led the deployment of a series of seven satellite ground stations and data centres across Europe, the Middle East and Africa. David’s early career was spent at the Marconi research laboratory and at VEGA Group plc where he worked on the commercialisation of Earth Observation satellite data. He has advised the European Space Agency on its telecommunications research strategy and sits on the Board of the Quantum Technology Industry Group. He earned a BSc Honours degree in Astrophysics from the University of Leicester.

Nick Pointon


Nick is a highly experienced CFO with significant US public company and M&A experience. After an LLB in Law at King’s College London, Nick trained as a Chartered Accountant with Moore Stephens and later moved to KPMG. After roles as Financial Controller in private and public enterprises in telecoms and tech industries, Nick became Finance Director and later VP Finance of King Digital, the operator of Candy Crush which listed on the NYSE and was bought two years later by Activision Blizzard for $5.9bn. After four years as Group CFO of Privitar, a VC funded data privacy company, Nick joined Arqit in 2021.

Paul Feenan

Chief Revenue Officer

Paul has over 26 years of technology, defence, security and global government services experience. He served for 16 years with the British Army in a number of command and operational roles across numerous theatres from Europe and Canada, to the wider Middle East and Africa. He led the UK’s domestic counter-terrorism strategy and planning for the 2012 London Olympics.

Paul previously helped create a substantial multi-million dollar government services division at Avanti, securing new business with the most demanding parts of the government and defence community. He has global stakeholder management and sales experience, including four years in a senior management position in Cape Town, building a big data and predictive analytics fintech platform across Sub-Saharan Africa in collaboration with AWS, Google and Goldman Sachs as well as Tier 1 telcos and banks.

Paul has a Masters Degree in Economic and Political Geography from the University of Cambridge.

Dr Daniel Shiu

Chief Cryptographer

Daniel worked for GCHQ, the UK’s intelligence, cyber and security agency for 20 years. He was the UK’s Head of Cryptographic Design and Quantum Information Processing, part of the initial National Technical Authority function assumed by the new National Cyber Security Centre (NCSC). In this role he was responsible for briefing the Government’s Chief Scientific Adviser in cryptomathematical matters. Daniel also served as Head of the Heilbronn Institute for Mathematical Research (HIMR), which is a linchpin of the government’s “Advanced Mathematics” strategy. Daniel represented GCHQ in helping to found and direct the National Quantum Technologies Programme. During his career, Daniel’s results and expertise have earned him multiple prizes, including an international award for best crypto-mathematician, and on three separate occasions an international award for the year’s best cryptanalytic achievement. Daniel designs weekly puzzles for a national newspaper.

Stephen Holmes

Chief Product Officer

Stephen has 30 years of experience in IT, including appointments as CTO, consultant, architect and product management of disruptive innovation. He has conducted research for a PhD in post quantum cryptography applied to blockchain at the University of Surrey. Stephen has a wide range of experience in commercialising disruptive technologies and has worked at IBM laboratories, Hewlett Packard and was co-founder and CTO of Virtusa Xlabs. Stephen holds an MBA, specialising in marketing innovative products and services. He is also a certified enterprise architect and has worked during his career in all aspects of computer systems R&D, product management and support. Stephen has a passion for building secure systems and protecting privacy, and writes extensively about security, privacy and quantum technologies. He represents the UK as a subject matter expert on ISO tc307 blockchain and DLT systems.

David Webb

Chief Software Engineer

David joined Arqit from McAfee where, as Director of Engineering and Site Leader at McAfee’s Brighton development centre, he led the software engineering teams responsible for the McAfee enterprise encryption product set. With over 12 years of experience leading multi-site engineering teams to build mission-critical enterprise encryption and key management systems in both on-prem and cloud environments, David's focus on driving innovation and quality across the organisation ensured that the McAfee encryption product set was named Leader in the Gartner MQ for Mobile Data Protection for seven successive years until the quadrant was retired, and counted a large proportion of the Fortune 500 and Global 2000 amongst its customer base. Prior to joining McAfee, David spent 13 years as a senior C++ engineer at Envitia leading the development of high-performance 2D/3D mapping and spatial analysis systems. David holds a BEng(Hons) in Electronic Engineering from Southampton University, and his first role was designing animation software in C for TV character generators used on Top of the Pops, Sky Sports and BBC Cricket amongst others in the mid-‘90s.

Dr Taher Elgamal

Main Board Director

Taher is an internationally respected information security leader and cryptographer. He is recognized in the industry as the "father" of SSL and received the 2019 Marconi Prize. He was also the recipient of the lifetime achievement award from the RSA conference in 2009. He has successfully served as CISO, Chief Scientist, CTO, as well as founder and CEO of numerous key organisations. Dr. Elgamal invented several industry and government standards in data security and digital signatures for areas including the DSS government standard for digital signatures.

Air Vice-Marshal Peter “Rocky” Rochelle CB OBE DFC MA RAF FIKE

Chief Operating Officer

Rocky spent 34 years in the RAF. Wide operational experience (Gulf W1; Extensive and successive operational tours Iraq/Afghanistan at all command levels (including Petraeus’ Surge); Kosovo; Libya Campaign as Tornado Force Cdr and CO Marham. When not on Ops Peter has developed an extensive background in Acquisition and Government Strategic Programme Delivery, including an early acquisition tour followed by a Strategic Programme and Plans role in MOD; Chief of Staff for DG FMC; and programme director for Carrier Enabled Power Projection. Rocky completed his Chief of Staff Capability, Acquisition and Force Development role in Apr 2020. He was mandated to deliver the Air Force programme of record, delivering a £40 billion sub-portfolio. Programmes included the delivery of the F35 programme and acquisition of P8 and E7, amongst many others. Rocky was instrumental in delivery of Project Tempest and the Combat Air Strategy (50:50 match funded by Industry); developed the RAF and the UK-only Rapid Capability Office and its Air Information Experimentation Lab. He has led the 5 Eyes (plus 2) Capabilities and Architecture Working Group for the last three years and was instrumental in Space Coalition development and creation of Op Olympic Defender justification. He has a reputation for constructive disruption and delivery. Rocky has an MA in Defence Studies. His awards include the DFC (Kosovo); OBE Cmd 617 Sqn including Iraq surge; CB for services to Acquisition. Rocky is a Fellow of the UK endorsed Innovation Knowledge Exchange (FIKE).

General Stephen “Seve” Wilson

Director, Arqit Inc.

General Stephen W. Wilson is a retired 4-star U.S. Air Force General with over 39 years of military service. General Wilson has extensive operational experience including commanding the largest Wing in the Middle East and commanding and reinvigorating America's nuclear Bombers and Missile forces in Global Strike Command before assuming his duties as the 39th Vice Chief of Staff of the Air Force. As the Vice Chief, he managed the organising, training and equipping of over 685,000 active duty, Guard and Reserve Airmen, helping direct strategy, policy, acquisition, technology, personnel and risk management. He helped manage the planning, programming, budgeting and execution of the Air Force's $205B annual budget. General Wilson also served on the Joint Requirements Oversight Council setting the acquisition requirements for the Department of Defense. General Wilson was widely acknowledged as the driving force for embracing both innovative technology and new thinking to include the start-up of AFWERX, a U.S. Air Force program which expands technology, talent and transition partnerships for rapid and affordable commercial and military capabilities. In 2020, AFWERX was named as one of the Top 20 Best workplaces for innovators in the world. General Wilson was also the catalyst behind the U.S. Air Force/M.I.T. AI Accelerator partnership to advance and improve Air Force operations while also addressing broader societal needs. General Wilson's many awards and decorations include three Defense Service Medals, the Defense Superior Service Medal, two Legions of Merit, two Bronze Stars and two Air Medals. General Wilson is a command pilot with over 4,500 flight hours that includes nearly 700 combat hours. He is a graduate of Texas A&M University and the U.S. Air Force Weapons School. He holds two Masters degrees - one in Engineering Management from South Dakota School of Mines and Technology and one in Strategic Studies from Air University.

Lt General VeraLinn “Dash” Jamieson

Director, Arqit Inc.

Lt. Gen. Jamieson is experienced in data management, cloud technology, artificial intelligence and machine learning with over 37 years of government experience. She achieved the rank of Lieutenant General in the U.S. Air Force and prior to retiring, served as the Director of the United States Air Force’s Intelligence Surveillance, Reconnaissance and Cyber Effects enterprise, conducting operations for the Department of Defence. Prior to assuming her position as Deputy Chief of Staff, Lt. Gen. Jamieson served as the Deputy Commander, Joint Functional Component Command for ISR, U.S. Strategic Command, Washington, D.C. She earned a B.S. in Business Administration from West Virginia University, and masters degrees in Strategic Studies and Aviation Management from the National Defence University and Embry Riddle University, respectively. Lt. Gen. Jamieson has served as a director of Digital Realty Inc since 2020.

Dr Barry Childe

Director of Innovation

Barry has over 44 years’ experience of computing since winning the IBM prize aged 13. He specialises in high performance computing, grid computing, cloud, data fabrics, virtualisation and distributed ledger technology. Prior to joining Arqit in 2018, Barry served as Head of Innovation/Chief Technical Architect at HSBC, Head of HPC Barclays Capital; Head of HPC The Royal Bank of Scotland; CTO VMware; and Head of IT at Westpac, TD Securities and Nordea Bank. Barry is noted as a creator of commercial products such as R3 Corda, We.Trade, VMware. Barry has authored/co-authored books on HPC, Grid & Distributed Computing. Barry has a Computer Science Phd.

Patrick Willcocks

General Counsel

Patrick is an English solicitor and a qualified Irish barrister. Patrick was General Counsel and Company Secretary of Avanti Communications for ten years, with responsibility for all group company legal matters in Europe, Asia and Africa. Whilst at Avanti, he managed the raising of equity and debt to fund the construction, launch and operation of four satellites; negotiated contracts with major telcos and governments; successfully maintained responsibility for all disputes and litigation; and managed the group’s intellectual property portfolio. Prior to this, Patrick was a senior attorney at HP/EDS; a banking and financing solicitor at Eversheds Sutherland; and was an investment banker at a number of international banks. Immediately prior to joining Arqit, Patrick ran a successful legal consultancy. Patrick has an LLB Hons Degree in Law from Trinity College Dublin and has a Barrister-at-Law degree from the Honorable Society of King’s Inns in Dublin. Patrick also has a Masters in Business Studies (Strategic Planning) and a Diploma in Business Studies (both from UCD Business School).

Richard Jackson CBE

Chief of Staff

Richard served as Head of Operations in Downing Street for Prime Minister Theresa May throughout her premiership. In this role Richard accompanied the Prime Minister on almost all her events and visits and acted as ‘Chief Protocol’ on foreign trips. He also led on E&V preparations for the Donald Trump State Visit and the D-Day 75 National Commemorative Events.

Prior to Downing Street, Richard worked at Avanti Communications as Director of Government Affairs. He was Head of Operations at the Conservative Party in the run up to and during the 2015 General Election where the Conservatives won an outright majority after gaining 24 seats. He has also held roles as an Events Assistant for the Conservative Party and ran the office of a newly elected Conservative MP following the 2010 General election. Richard has a BA Hons degree in British Politics and Legislative Studies from the University of Hull. He was made an MBE for political service in 2016 and a CBE for political and public service in 2019.

Ben Olivier

MD Operations

Ben has more than 30 years of experience in space engineering and photonic systems in particular. He served as CEO of Thales Alenia Space (TAS) UK for five years, building a business of approximately 200 staff producing spacecraft and ground equipment. TAS UK built on the acquisition by TAS of SEA’s space division, which Ben co-founded. Prior to that, Ben specialised in space and defence technical and programme leadership, with a significant expertise in optical systems dating back to his role as the Design Authority for the Photon Detector Assemblies on the Hubble Space Telescope. In 2020 Ben was appointed a Council member for the STFC, which designs, builds and operates the UK’s large science facilities and provides the UK’s contributions to international facilities such as CERN. Ben is a non-exec for two deep-tech start-ups and an expert advisor to the UK Space Agency.

Julie Moon

Director of Marketing and Corporate Communications

Julie has over 20 years of experience in building influential brands across multiple audiences through integrated marketing and communications campaigns, within both agencies and multinational companies in the U.K., Europe, APAC and Australasia. Julie joined Arqit from NTT where she was Senior Vice President of Marketing and Corporate Communications, responsible for messaging and content, external communications, internal communications, experiential, and analyst relations. Prior to NTT, Julie spent 10 years working in marketing and communications roles for Telstra across its international, enterprise and government and wholesale business units, both in Australia and the U.K. After graduating from Nottingham Trent University with a BA (Hons) in Communication Studies, Julie trained in the communications industry working for McCann-Erickson, followed by Ogilvy PR managing accounts including Microsoft and Vodafone. Julie is a passionate advocate of diversity, inclusion, and sustainability.

Daryl Burns

Consultant and Co-Inventor

Daryl worked for GCHQ, the UK’s intelligence, cyber and security agency for 34 years, most recently as the Chief of Research and Innovation and the Deputy Chief Scientific Advisor for National Security. As an expert in cryptography and cyber security, Daryl specialised in cryptologic research, analysis and design, including applications and engineering for very large-scale infrastructure. In recent years, he was responsible for steering GCHQ’s extensive programme of research and innovation. Daryl retired from Government service in 2019 and is now pursuing his second career in the private sector, advising a range of clients on security protocols and their implementation.

Stephen Chandler

Main Board Director

Stephen is an entrepreneur, investor and company builder, with 20 years’ experience in forming, funding, running, advising and investing in technology businesses. He is currently Co-founder and Managing Partner at Notion Capital, a venture capital firm focused on Cloud Computing and Software-as-a-Service, and a board director of several high-potential tech companies. Stephen was previously President and CFO at MessageLabs, the global leader in SaaS messaging security acquired by Symantec in 2008 for $700m, and a Director at UBS Investment Bank following an early career as a Chartered Accountant with Deloitte. Stephen has a BA Hons degree in Economics from the University of Exeter and was nominated “Investor of the Year” at the 2020 Investor AllStars awards.


Sir Iain Lobban

Advisory Board

Sir Iain was Director of the British Security and Intelligence agency GCHQ from mid-2008 to late 2014, having previously served as Director-General of Operations from 2004. His tenure represented more than ten years of operational delivery in counter-terrorism, cyber-security, support to Defence, and the prevention and detection of serious crime. He set a new direction in Cyber Security for innovative partnerships internationally, with the private sector and with academia. Sir Iain now focuses on the advocacy and demystification of cybersecurity, providing strategic advice and personal perspective, nationally and internationally, to governments and businesses. He is also active in entrepreneurship.

Dr Alison Vincent

Advisory Board

Alison is an experienced IT Industry thought leader with recent roles including Group Chief Information Security Officer at HSBC and Chief Technology Officer at Cisco. Prior to those positions she held technical leadership roles in NDS, Micro Focus and IBM. She has experience in cybersecurity, research and development, strategy execution, product management and business development, with particular expertise in digital strategy, innovation, and mergers and acquisitions. Alison is a Non-Executive Director for BytesTechnology Group Plc, SEI Investments (Europe) Ltd, Synectics Plc and Connected Places Catapult. She is a Lay Member of Council at Southampton University and is a Technical Adviser to Telesoft Technologies Ltd, Cybertonica Ltd and UMotif Ltd. Alison has a PhD in Cryptography & Combinatorics from London University and a 1st Class Honours BSc in Maths and Computer Science. She is a Fellow of the Royal Academy of Engineering, a Fellow of the British Computer Society and a Fellow of the Institution of Technology and Engineering.

Toby Redshaw

Advisory Board

Toby Redshaw is CEO of Verus Advisory focused on innovation/tech transformation. Prior (2016-2021) he was at Verizon where he started by leading tech strategy and recently as SVP of Verizon’s Enterprise Innovation and 5G Solutions. Toby previously held Global CIO positions at American Express and Aviva PLC, HQ in London. His responsibilities included risk, NPI, and eCommerce. He was named to Top CTO 25 – Most Influential IT leaders by InfoWorld and Top 50 Global CIOs by InformationWeek. He is a Senior Fellow at the Council on Competitiveness, on the advisory board of the Digital Cities and Global Projects Center at Stanford and the IT Advisory Council for DELL. He is currently an advisor to leading startups in big data, neuroplasticity, the 2041 Foundation and a consultancy focused on diversity, equity and inclusion.

Dr Geoffrey Taylor CB

Advisor and Co-Founder

Before co-founding Arqit, Geoffrey spent a 43-year career at GCHQ, in the last 22 years as a Main Board Director. Dr Taylor was made a Companion of The Order of the Bath in 2006 for contribution to national security and economic well-being of the UK and in 2016 was awarded the US National Security Agency Director's Medal for outstanding contribution to UK-US Special Relationship. After reading Natural Sciences at Cambridge University, Geoffrey took a PhD in Quantum Molecular Dynamics at Leicester University

Katherine Courtney

Advisory Board

Katherine is the Chair of the Global Network for Sustainability in Space and former CEO of the UK Space Agency with over 20 years’ experience in innovation, critical national infrastructure and economic growth. During her tenure, she opened the UK market to commercial satellite launch, led €1.4bn investment in collaborative European space missions, and supported Major Tim Peake's highly successful Principia Mission to the International Space Station - inspiring a future generation of scientists and engineers. Katherine’s early career was spent developing new products and services in the global telecoms industry as a senior executive with both major multinationals and a series of start-up companies. She moved to the public sector in 2003 to lead the UK government’s National Identity Scheme Programme and then went on to lead a number of other flagship programmes including the development of Universal Credit, Growth Vouchers, Business Growth Service and UK Small Business Commissioner - steering four cross-cutting pieces of legislation through Parliament. The theme running throughout her career has been creating growth and efficiencies through technological innovation. She holds a Master of Business Administration from London Business School.

Andrew Yeomans

Advisor and Co-Founder

Andrew has led information security engineering, architecture and strategy in financial services for 18 years. Andrew was on the management board of the Jericho Forum, an international information security thought-leadership group solving the security issues of a collaborative deperimeterised world. Prior to this, Andrew led IBM’s European technical sales for internet security. He is co-author of “Java Network Security”, the first book to cover secure multi-tier Java applications. He has worked with UNIX and Open-Source software since 1985, and managed and ran IBM’s Scientific and Technical Computing group’s UNIX network.