A world-class pool of security and commercial leaders

Co-Founders
Josh-Burch
Josh Burch
Josh is a former senior UK national security/intelligence and commercial leader with more than twenty years’ experience delivering high-impact…
Josh Burch

Josh is a former senior UK national security/intelligence and commercial leader with more than twenty years’ experience delivering high-impact solutions, at the highest levels of business and government, tackling the most complex commercial, geopolitical, risk and security challenges.

Josh spent more than 15 years in a range of UK government national security roles, focused on understanding and mitigating global strategic threats from nation states, terrorists and malicious cyber actors. He was Chief of Staff to one of the UK’s most senior national security officials, and before that was Head of the Strategy and Risk team at British sigint and cybersecurity agency GCHQ.

After government, Josh joined FTI Consulting as a partner where he established and led the firm’s Cybersecurity practice in EMEIA. In April 2021, Josh was recognised by Consulting Magazine in their Global Leaders in Consulting Awards under the category “Excellence in Execution”. Josh started his career at Goldman Sachs where he was a mergers & acquisitions and corporate finance specialist in the firm’s Investment Banking Division.

Dean
Dean Jones
Dean has a diverse background encompassing specialist military service, corporate advisory, and leadership expertise. With over two decades of…
Dean Jones

Dean has a diverse background encompassing specialist military service, corporate advisory, and leadership expertise. With over two decades of operational experience in complex combat environments, Dean possesses a wide range of knowledge and skills relevant to his current business role.

After a successful military career as a former Royal Marines soldier, Dean smoothly transitioned into the corporate sector. He has established himself as a board-level advisor and an expert in leadership, strategy, and finance. Dean's insights into strategic geopolitical risk, new technologies, and human-machine teaming are highly valuable to commercial organisations.

During his military service, Dean demonstrated exceptional dedication and received notable recognition for his achievements. He was awarded a Mention in Dispatches in 2011 and received a Queen's Commendation for Valuable Service in 2015 from the Secretary of State for Defence, acknowledging his outstanding contributions in challenging operational environments.

Dean's commitment to personal and professional growth is evident in his educational pursuits. He attended London Business School as a Sloan Fellow and further expanded his strategic understanding through studies at Harvard Business School. Additionally, Dean held the position of Research Fellow at Oxford University's CCW program. Prior to his military career, Dean pursued his passion for professional sport as an Academy player at Swansea City.

Chairman & Advisory Board Chair
Simon-Cox-2
Simon Collins
Chair of GALLOS’s Corporate Board
Simon is a chairman and leader with 30 years’ experience in starting, scaling, acquiring and turning round businesses. He…
Simon Collins
Chair of GALLOS’s Corporate Board

Simon is a chairman and leader with 30 years’ experience in starting, scaling, acquiring and turning round businesses. He was Chairman and Senior Partner of KPMG in the UK and a member of KPMG’s Global Board and Executive Committee from 2012 until 2017. A boardroom adviser, especially in exit planning, scaling, financial matters, governance and change, Simon has advised and run businesses in Europe, the US, the Middle East and Asia. He challenges the status quo and inspires and develops individuals and teams. Simon is passionate about, and committed to, inclusion and responsibility in business.

Sir-Jeremy-Flemming
Sir Jeremy Fleming
Chair of GALLOS’s Strategic Advisory Board
Jeremy was Director of GCHQ from April 2017 to May 2023. He led the development of the UK’s National…
Sir Jeremy Fleming
Chair of GALLOS’s Strategic Advisory Board

Jeremy was Director of GCHQ from April 2017 to May 2023. He led the development of the UK’s National Cyber Security Centre (NCSC), which has become a global authority in cyber security, bringing together Government, industry, and international partners to address cyber threats and inform the public. Jeremy also oversaw the creation in 2020 of the National Cyber Force (NCF), a joint mission between GCHQ and the UK Ministry of Defence that leads the world in applying cyber effects to protect the UK and its allies. Under Jeremy’s leadership, GCHQ played a central role in the UK’s support to Ukraine as it resists Russia’s invasion, and in better preparing the UK for the challenges and opportunities of an increasingly assertive China.

Core Team
Will-Kilmer
Will Kilmer
Head of Ventures
William Kilmer is a venture capital investor, multi-time founder and CEO, and author who has invested in and run…
Will Kilmer
Head of Ventures

William Kilmer is a venture capital investor, multi-time founder and CEO, and author who has invested in and run companies around the world. He specializes in working with cybersecurity companies on go-to-market, strategy, financing, and scaling their business. Formerly the managing partner at C5 Capital, he has invested in cybersecurity, cloud infrastructure, and digital companies across the US, UK, and Europe including most recently Constella Intelligence, Hazelcast, Oomnitza, Shape Security, and Synack.

William was the founder and CEO of several companies including Avinti where he merged with, and managed the roll up of M86 Security before it was acquired. He was also the CEO of data analytics company PublicEngines, which was acquired by Motorola and was a founder and investor in Freedom4 Wireless in the UK. He was the CEO of a managed security services provider (MSSP), where he managed the integration multiple acquisitions. Three of his companies have been on the INC 500/5000 fastest growing startups. Prior to that William was the European managing director of Intel Capital, a corporate venture capital fund where he also managed the worldwide cybersecurity investment strategy and formed a targeted venture fund investing in the Middle East and North Africa.

A product and strategy person at heart, William is also the author of the book Transformative: Develop a Game-Changing Strategy, Retool your Organization, and Innovate to Win, published in September 2022.

Chris-Martin
Chris Martin
Partner (GTM/ Sales)
Chris is a security technology GTM expert, with deep operating experience from building and scaling commercial functions inside three…
Chris Martin
Partner (GTM/ Sales)
Chris is a security technology GTM expert, with deep operating experience from building and scaling commercial functions inside three consecutive global security technology unicorns - Darktrace, Vectra AI, and Abnormal Security. Across these roles, he led category entry, enterprise sales, and revenue scale through periods of rapid growth, helping define new markets and translate complex security capability into durable commercial outcomes.

He now applies that operating track record to early-stage company building, working hands-on with founders as an Operating Partner and fractional CRO. His focus is on shaping strategy, designing repeatable go-to-market engines, and accelerating early revenue from zero to scale in security, defence, and resilience markets.

Chris is also responsible for GALLOS' strategic partnerships and leads the GALLOS Alliance, the UK’s most influential private community of senior security and risk leaders. Through the Alliance, he ensures that investment and build activity remains grounded in real-world practitioner insight, emerging board-level priorities, and the operational realities faced by enterprise security, risk, and technology leaders.

Earlier in his career, Chris developed strong technical and operational foundations at Context Information Security (prior to its acquisitions by Babcock, and later Accenture), working in a security-cleared capacity on complex, classified engagements across Critical National Infrastructure and Government within the Five Eyes community. This grounding continues to shape his investment lens, particularly around technical credibility, resilience, and long-term defensibility.

Doug-Munro-2
Doug Munro
Board Advisor - Capital Raising and Growth
Doug is a leader with over 20 years' experience in global capital raising, deal origination, structuring, execution and executive…
Doug Munro
Board Advisor - Capital Raising and Growth

Doug is a leader with over 20 years' experience in global capital raising, deal origination, structuring, execution and executive leadership. He has track record of creating, growing and maintaining profitable businesses. A trusted boardroom advisor especially in scaling and growth strategies, he has advised and run businesses in the UK, Europe, the US and Asia. Doug was formerly Head of Capital raising and Client Solutions at Legal & General Capital from 2018 until 2025, where he also was a leader within Digital Infrastructure investments, including investing in and becoming a board director of the fast-scaling UK Data Center operator, Kao Data.

He is a high impact leader who is passionate about developing the next generation of UK founders and helping them navigate the global capital raising landscape to achieve scale.

Jack-Pearson
Jack Pearson
Principal
Jack spent four years in KPMG’s Private Equity Group on engagements across audit and valuations, with clients spanning venture…
Jack Pearson
Principal

Jack spent four years in KPMG’s Private Equity Group on engagements across audit and valuations, with clients spanning venture capital funds, mid-market private equity funds and fund-of-funds. Jack then joined Japan Energy Capital, where he was an investor in climate technology companies across North America and Europe.

Jack read History at the University of Exeter and was a junior national hockey player.

Experts
  • Technology

    Daniel-Clarke
    Daniel Clarke
    Daniel Clarke is a technology leader with nearly two decades of experience developing and deploying emerging technologies. Daniel has…
    Daniel Clarke

    Daniel Clarke is a technology leader with nearly two decades of experience developing and deploying emerging technologies. Daniel has experience as both a researcher and developer across a wide variety of fields, including Robotics and Autonomous Systems, Cyber-Electromagnetic operations and Artificial Intelligence.

    Daniel has experience working across government, industry and Academia in roles across Europe. In previous roles, Daniel was the head of applied research in two of the UK’s leading AI startups; was the technology manager for autonomous vehicles at Siemens in Munich, and was a research scientist in electromagnetic warfare for the UK MOD’s Defence Science Technology Laboratory. While at Dstl, Daniel deployed to Afghanistan as the Scientific Advisor to Task Force Helmand where he was awarded a commendation for his work. Daniel has a PhD in Astrophysics from the University of Innsbruck in Austria.

    As a technology leader, Daniel is interested in both the development of technology, and how it can be effectively deployed to realise real-world value. Daniel is a Lecturer at Cranfield Defence and Security at The Defence Academy of the UK and is an advisory board member for a number of exciting start ups.

    Jim-Clover
    Jim Clover
    Jim Clover OBE is a former HMG leader with 20+ years in OSINT, Digital Forensics and the technical engineering…
    Jim Clover

    Jim Clover OBE is a former HMG leader with 20+ years in OSINT, Digital Forensics and the technical engineering to achieve both. Jim now advises multiple companies at both C-Suite and team levels to achieve the best outcomes in terms of their technology and security deployments. He is also an advisor and due diligence specialist for investment into technical startups.

    Sir-Anthony
    Sir Anthony Finkelstein
    Anthony Finkelstein is President of City St George’s, University of London. Prior to this he was Chief Scientific Adviser…
    Sir Anthony Finkelstein

    Anthony Finkelstein is President of City St George’s, University of London. Prior to this he was Chief Scientific Adviser for National Security to HM Government, a senior strategic and operational role that involves leadership of science, research and innovation across the UK's national security community.

    Anthony is a Professor of Software Systems Engineering and Fellow of the Royal Academy of Engineering. He is a Distinguished Fellow of RUSI. He was granted the title of Knight Bachelor in 2022 for public service. He was previously appointed a CBE for services to computer science and engineering. He has successfully exited two tech companies in data and AI.

    Robert-Hercock
    Dr. Robert Hercock
    Dr. Robert Hercock is a Chief Research Scientist in the British Telecommunications Security Research Practice. He served as a…
    Dr. Robert Hercock

    Dr. Robert Hercock is a Chief Research Scientist in the British Telecommunications Security Research Practice. He served as a member of the Royal Society Science and Industry Committee and is a regular adviser to the Royal Society on AI and Data Science issues.

    He has over thirty international publications in AI and security concepts, in addition to over 30 filed patents. His research interests include Cyber Security, AI, Robotics and Complex Adaptive Systems.

    A Chartered Engineer and Fellow of the Institution of Engineering & Technology (IET), he is also a Visiting Fellow at the Changing Character of Warfare Centre, in Pembroke College, Oxford University. He also provides independent technical expertise for the UK MoD Defence Science Expert Committee (DSEC) and was a Business Research Fellow at the Santa Fe Institute in New Mexico.

    Ben-Johnson
    Ben Johnson
    Ben Johnson is CTO and co-founder of Obsidian Security, a SaaS-focused cybersecurity provider in California. Ben is also the…
    Ben Johnson

    Ben Johnson is CTO and co-founder of Obsidian Security, a SaaS-focused cybersecurity provider in California. Ben is also the President of NGO-ISAC, the ISAC dedicated to the non-profit sector. Before Obsidian, Ben co-founded Carbon Black, an endpoint security company that successfully established the EDR space and was ultimately acquired.

    He also was the founding teacher of "Entrepreneurship in Technology" at the University of Chicago. Early in his career, Ben served as an intrusion engineer at NSA and continues his national security mission as an advisor to the FISA Court within the US Department of Justice.

    Mr. Johnson also enjoys serving non-profits, advising entrepreneurs, golfing, surfing, and hiking. He is located in Newport Beach with his amazing wife and three incredible sons.

    Gaven-Smith
    Gaven Smith
    Gaven is an internationally recognised engineering leader with more than 30 years of experience in UK National Security. Until…
    Gaven Smith

    Gaven is an internationally recognised engineering leader with more than 30 years of experience in UK National Security. Until late 2023, he was the Director General for Technology and Chief Technology Officer at GCHQ. In his 7 years as CTO, he was responsible for the research and development of a wide range of critical UK national security capabilities. He led and managed a large and highly-expert technical team based in the UK and overseas. He was accountable for a range of mission-critical investment programmes and for transforming data capabilities across the wider national security community. Prior to becoming CTO, Gaven held a number of technology leadership roles that invested in cutting-edge technology to support GCHQ’s rapidly changing mission. Gaven is now an academic, a technology advisor, and an active advocate for online safety. He is a passionate champion for inclusion in engineering. He was elected as a Fellow of the Royal Academy of Engineering in 2022 and was made a Companion of the Order of the Bath (CB) in 2023.

  • Security & Resilience

    Eddie-Alleyn-1
    Eddie Alleyn
    Eddie culminated his 35-year career in the British Government’s Defence and Security community with his appointment as Chair and…
    Eddie Alleyn

    Eddie culminated his 35-year career in the British Government’s Defence and Security community with his appointment as Chair and CEO of HMGCC. He spent five years there leading a world-class engineering team, focused on the development and integration of high-end technology capability of various kinds.

    Today, Eddie helps early-stage British tech companies to grow and scale. He has built a portfolio of Executive and Advisory roles with a number of innovative British tech and cyber security start-ups and scale-ups, especially in London and Oxford. He is Chair of General System, and on the Board at iProov. He is a Fellow of the IET.

    Elisabeth-Braw
    Elisabeth Braw
    Elisabeth is a global security thought leader, focusing on non-military national-security threats such as economic subversion and exploitation of…
    Elisabeth Braw

    Elisabeth is a global security thought leader, focusing on non-military national-security threats such as economic subversion and exploitation of research and innovation. She’s considered one of the pioneering strategists in this area and regularly delivers talks to military, political and business audiences about the West’s changing national-security environment.

    Elisabeth Braw is a senior fellow at the Atlantic Council, focusing on geopolitics and the globalised economy as well as new national security threats. She’s also a columnist with Foreign Policy and Politico Europe and the author of the award-winning Goodbye Globalization: The Return of a Divided World (Yale University Press).

    Elisabeth was previously a senior fellow at the American Enterprise Institute in Washington and a senior research fellow at the Royal United Services Institute (RUSI) in London. She’s the author of God’s Spies, about the Stasi’s church division (2019), The Defender’s Dilemma: Identifying and Deterring Gray-Zone Aggression (2022), a member of the UK National Preparedness Commission, a member of the Krach Institute for Tech Diplomacy’s advisory council (on leave), a member of the Aurora Forum’s steering committee and an adviser to Willis Towers Watson’s research arm. Before joining academia, she worked in the private sector following a career as a journalist. She’s a regular op-ed contributor to the Financial Times, the Wall Street Journal and the Times (of London).

    Ed-Butler
    Ed Butler
    Ed has nearly 40 years of experience leading and delivering high value outcomes in extremely challenging environments, both commercially…
    Ed Butler

    Ed has nearly 40 years of experience leading and delivering high value outcomes in extremely challenging environments, both commercially and in the military. He has comprehensive experience of managing and dealing with all types of intelligence, political and malicious risk, confrontation analysis, complex project management, business development and resource allocation.

    He has been part of the leadership team that built two successful small businesses and spent 7 years as Chief Resilience Officer at Pool Re, the Government backed terrorism reinsurance scheme. He is a Senior Independent Advisor to the licensee Board of EDF Energy Generation, the operating company for UK’s nuclear industry and to Northcourt, the Nuclear Risk Specialists. He was privileged to command 22 SAS over 9/11 and led British forces in Afghanistan in 2006. Ed has been formally recognised by Her Majesty's Government on six occasions for his service to the nation.

    Pryia
    Priya Guha MBE
    Priya is a senior leader in technology and innovation who was recognised in June 2022 by InspiringFifty as one…
    Priya Guha MBE

    Priya is a senior leader in technology and innovation who was recognised in June 2022 by InspiringFifty as one of the Top 50 Women in European Tech. She is a Venture Partner at Merian Ventures, investing in women-led innovation, an Advisor to Kheiron Medical Technologies, a NED at UK Research & Innovation, the Digital Catapult and Adjunct Faculty at the Ashridge Hult Business School.

    Priya used to be a career diplomat, most recently as British Consul General to San Francisco. She sits on the Royal Academy of Engineering International Committee, Tech London Advocates & Global Tech Advocates Advisory Boards and is a TechSheCan Trustee. Priya was awarded an MBE in 2021 for services to international trade and women in innovation.

    Tom-Hurd
    Tom Hurd
    Tom served as the most senior Homeland Security Advisor to the last four British Home Secretaries. He led cross-government work…
    Tom Hurd

    Tom served as the most senior Homeland Security Advisor to the last four British Home Secretaries. He led cross-government work countering state threats, cyber crime and security, disinformation, money laundering, online harms, child sexual exploitation and terrorism. He also oversaw the domestic operations of the intelligence agencies, CT Police and the National Crime Agency.

    During his thirty years working on national security, Tom has played a leading role on international as well as domestic security issues, especially within the Five Eyes community. Tom was also a member of the UK’s Joint Intelligence Committee, the UK's most senior analytical body on national security issues. As a result of his experience in mastering science and technology to achieve better operational outcomes, Tom was asked in mid-2020 to set up from scratch, and at pace, the UK’s Joint Biosecurity Centre, a data-led organisation that brought data science and public health expertise together in one place to spot earlier and more accurately outbreaks of COVID-19. He was appointed OBE by Her Majesty the Queen in 2011 and CB in 2020 for his services to national security.

    Johnathan-Kewley
    Jonathan Kewley
    Jonathan Kewley is an international lawyer, board advisor and tech ethicist. He works with many of the world’s largest…
    Jonathan Kewley

    Jonathan Kewley is an international lawyer, board advisor and tech ethicist. He works with many of the world’s largest companies on M&A and complex projects spanning cyber security, AI, data privacy, and ESG / sustainable Tech development. He co-chairs the Tech Group at Clifford Chance, the global law firm.

    Jonathan is a recognised expert in the area of Tech and data ethics, and works with Oxford University, The Alan Turing Institute and American Enterprise Institute to further discussion and research in AI regulation, cyber security and sustainable technology development.

    In 2020 he founded a bursary programme at Oxford University to address lack of diversity in tech education, encouraging more women and people from minority backgrounds to study Computer Science.

    Kevin-Brown
    Kevin Brown
    After a highly commended 20 year service within UK policing, Kevin joined BT in 2012 initially transform its ability…
    Kevin Brown

    After a highly commended 20 year service within UK policing, Kevin joined BT in 2012 initially transform its ability to manage risk but within several years progressed to leading and building a $1 billion cyber security business. Kevin left BT in 2023 to further his cyber security career and is now the COO of NCC Group.

    Through his 30 year career, he’s developed a truly holistic experience of security with a proven ability as a CISO/CSO, as well as devising innovative commercial growth strategies for public and private sectors. He has achieved this by building brilliant diverse teams.

    Kevin’s collaborative leadership has forged close working with the WEF, not for profits, national security, and many industry groups. He has been a driving force behind public-private partnerships across the world.

  • Commercial

    Simon-Cox
    Simon Cox
    Simon has 18 years CEO experience building and successfully selling three PE/VC backed, technology-based companies. He grew revenues at…
    Simon Cox

    Simon has 18 years CEO experience building and successfully selling three PE/VC backed, technology-based companies. He grew revenues at image.net and Peach 10 times developing each from a UK base to global, platform businesses with clients and operations in every continent. As well as driving organic growth, he has extensive M&A experience, including initiating, closing and integrating over a dozen acquisitions for Peach in territories including China, India, Singapore, Chile, Spain, Ireland and the UK.

    Simon was previously COO of Euromoney Institutional Investor plc, a FTSE 250 company, and Group Finance Director of Zenith Productions.

    Mark
    Mark Gillespie
    Mark is a chartered accountant with a background in economics, valuation and business management. He was recently the CFO of…
    Mark Gillespie

    Mark is a chartered accountant with a background in economics, valuation and business management. He was recently the CFO of an applied artificial intelligence business, based in London and other European cities.

    He managed the sale of that business to a large, listed advertising firm.

    Before that, Mark was a Managing Director in FTI Consulting's Economic and Financial Consulting practice in London. He provided financial and economic evidence for complex legal disputes and managed the quantum aspects of a number of multi-billion US$ disputes. Analysis often took the form of company or asset valuations and included detailed analysis of liquidity.

    Ben-Legg
    Ben Legg
    Ben Legg is originally an engineer whose early career included British Army Officer, McKinsey strategy consultant, executive at Coca-Cola,…
    Ben Legg

    Ben Legg is originally an engineer whose early career included British Army Officer, McKinsey strategy consultant, executive at Coca-Cola, before becoming the Chief Operating Officer of Google Europe and thereafter various global technology CEO roles. Today, he has a portfolio career. He is CEO and CoFounder of The Portfolio Collective, a global community of world class portfolio professionals working in the start-up & scaleup ecosystem. Ben also mentors start-up & scaleup founders, helping investors pick winners and supporting Oxford University's entrepreneurial initiatives. He is acknowledged as a thought leader on the Future of Work.

    Ben has lived in nine countries and has a massive network throughout the technology industry. He is also the author of the award-winning book: Marketing For CEOs - Death Or Glory In The Digital Age. He is an avid fitness nut, has five children and lives in London.

    Vipul-Nakum
    Vipul Nakum
    Vipul brings a track record of over 20 years scaling B2B Data and SaaS businesses in the UK and…
    Vipul Nakum

    Vipul brings a track record of over 20 years scaling B2B Data and SaaS businesses in the UK and USA. With hands-on operating experience as a senior executive, he has organised major product initiatives that have created commercial value and supported successful exits.

    As an investor and advisor with an entrepreneurial mindset, Vipul now helps startups create enterprise value through their product strategies. Amongst other roles, Vipul is a Mentor with the Silicon Valley headquartered Plug and Play Tech Centre.

    Vipul was formerly the Chief Product Officer at OAG and previously Head of Product at Ascend Worldwide. He has also worked with recognised global brands such as Standard & Poor’s and Dun & Bradstreet during his career.

    Alliance-Headshots
    John Rainey
    John is a seasoned product leader and advisor with over 20 years of experience in commercialising innovative digital products…
    John Rainey

    John is a seasoned product leader and advisor with over 20 years of experience in commercialising innovative digital products and scaling businesses across multiple sectors. He has launched and optimised products in the UK and US and led cross-functional teams in technology companies during significant periods of growth.

    Drawing from unique experiences and insights on both sides of the startup ecosystem, John brings a comprehensive perspective to early-stage businesses. As a venture capitalist, he has built and advised portfolio companies, while his senior leadership roles at various startups have given him firsthand insight into the strategic, commercial, and operational challenges that early-stage businesses face.

    With an MBA from London Business School and an Electrical Engineering degree from Georgia Tech, John bridges technical and business perspectives while aligning diverse strategic viewpoints across organisations.

    John is passionate about helping charities and mission driven organisations use technology to solve practical problems and deliver more impact to their communities and clients. He has served as a strategic advisor to multiple early-stage businesses and as a non-executive director for a large UK museum.

    Phil-Zamani
    Phil Zamani
    Phil is a serial open source technology entrepreneur having led the international business efforts of some of the world’s…
    Phil Zamani

    Phil is a serial open source technology entrepreneur having led the international business efforts of some of the world’s most transformative (now leading) software firms covering the entire technology stack (silicon chips, embedded/IoT, operating systems, middleware, virtualisation, mobile/cloud computing, big data and blockchain). An open source veteran, he helped many Fortune 1000 companies to embrace new disruptive technologies, often displacing entrenched solutions from competitors like IBM and Microsoft. Phil led the European, USA and Asian businesses for Red Hat, VMware, Santander and Deutsche Telekom - where as corporate cloud entrepreneur he created their global Telekom Public Cloud business unit.

GALLOS Alliance Steering Group
48
Sharon Barber
Sharon is the former Chief Security Officer at Lloyds Banking Group, where she led the Group’s Chief Security Office, overseeing…
Sharon Barber

Sharon is the former Chief Security Officer at Lloyds Banking Group, where she led the Group’s Chief Security Office, overseeing cyber, physical, and information security across one of the UK’s most systemically important financial institutions.

In addition to her security remit, Sharon has led the Group’s operational resilience strategy and implementation, working closely with regulators and government to strengthen the resilience of critical financial services. She has also directed enterprise-level incident response during periods of national and organisational disruption, including the Covid-19 crisis.

Sharon views security as a strategic enabler of transformation, ensuring that large-scale digitisation delivers both innovation and trust for customers. Her leadership spans technology, risk, security, and major programme delivery roles held throughout her career at Lloyds Banking Group.
She brings a uniquely holistic perspective on resilience, governance, and leadership at national-scale institutions operating under intense regulatory and operational scrutiny.
44
Alison Dyer
Alison is Group Chief Information Security Officer at Associated British Foods plc, with accountability for information and cyber security…
Alison Dyer

Alison is Group Chief Information Security Officer at Associated British Foods plc, with accountability for information and cyber security across a highly diversified, multinational portfolio spanning retail, manufacturing, and critical industrial operations.

Prior to ABF, Alison served as CISO at ASOS and URENCO, where she was responsible for enterprise-wide cyber security across both information technology and operational technology environments. Her experience includes securing global supply chains, industrial systems, and digital consumer platforms.

Earlier in her career, Alison was Director of GlaxoSmithKline’s global cyber security programme, leading multiple strategic workstreams including security technology, governance, culture, third-party risk, and OT security at scale.

Alison holds a BEng in Mechanical Engineering from Imperial College London and an MSc in Information Security from Royal Holloway, University of London. She brings a strong engineering-led approach to cyber risk, resilience, and executive decision-making.
43
Luke Fairless
Luke is Chief Information Security Officer for Tesco, responsible for leading cyber security across one of the largest retailers…
Luke Fairless
Luke is Chief Information Security Officer for Tesco, responsible for leading cyber security across one of the largest retailers in the world. He brings more than two decades of experience spanning security leadership, large-scale technology transformation, and enterprise risk management.
Alongside his role at Tesco, Luke serves as UK & Ireland CISO Community Co-Chair at Evanta, a Gartner company, where he convenes and facilitates collaboration among senior security leaders. He is also a Cyber Security Advisor and Risk & Audit Committee member at the Natural History Museum.
Luke has spent the majority of his career at Tesco, progressing through senior technology and security leadership roles covering capability development, major IT transformations, and security strategy at scale. Earlier roles include operational leadership positions in retail and healthcare-related organisations.
He holds an MEng in Chemical Engineering with Environmental Technology from the University of Manchester and brings a pragmatic, operator-led perspective on cyber security, governance, and resilience in complex, high-volume organisations.
46
Kieren Marchant-White
Kieren is Head of Cyber Security at Gymshark, where he is responsible for protecting the organisation’s global community, digital…
Kieren Marchant-White
Kieren is Head of Cyber Security at Gymshark, where he is responsible for protecting the organisation’s global community, digital platforms, and brand against an evolving cyber threat landscape. He brings more than 15 years’ experience across IT, infrastructure, and security leadership in complex enterprise environments.

At Gymshark, Kieren has played a central role in building and scaling the company’s cyber security capability, including establishing the security function in a high-growth, cloud-native environment. His work spans security strategy, operational resilience, and the practical integration of security into fast-moving digital businesses.

Previously, Kieren held senior security roles at John Lewis Partnership, including Security Assurance Manager and Senior Cyber Security Analyst, alongside earlier engineering roles across the public sector and private industry. He began his career as a junior support engineer following completion of a BSc (Hons) in Computer Systems & Networks from the University of Plymouth.

Kieren is a founding member of the GALLOS Alliance and brings deep practitioner insight into scaling security functions within modern consumer and technology-led organisations
Oliver-Newbury
Oliver Newbury
As the Group CISO for Barclays, Oliver is responsible for the cyber security across the group - ensuring that…
Oliver Newbury

As the Group CISO for Barclays, Oliver is responsible for the cyber security across the group - ensuring that Barclays remains safe, secure and always on.

Oliver joined the bank in Jan 2017 from BT, where he was CTO BT Security - responsible for defining and driving delivery of the technical strategy and capability roadmap for Security within BT to ensure BT’s own approach and portfolio of security products & services stayed ahead of the constantly evolving threat landscape. Olivers career has included delivering some of the largest cyber security transformation programme around the world inc. the building from a scratch of a national cyber security centre for a country in the middle east. Oliver spent a significant chunk of his career working under security clearance with GCHQ & the other UK Security services, in technical roles.

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