Our Board & Executive Committee

Photo of Chris Stone

Chris Stone - Non-Executive Chairman

Nomination Committee ChairCyber Security Committee*

Appointment to the Board:
6 April 2017

Career experience
Chris has held various Non-Executive Director and Chief Executive roles at listed and private equity backed technology companies. He was CEO of Northgate Information Solutions plc from 1999 to 2008, until its sale, and stayed as CEO until 2011. From 2013 to 2016, he was CEO of Radius Worldwide. Chris was also a Non-Executive Director of CSR plc, and Chair of the Remuneration Committee, from 2012 until its sale in 2015. Chris was also Chair of AIM listed CityFibre plc from January 2017 until June 2018, when it was sold to private equity buyers.

External appointments
Chris is the Chair of Everynet BV, a privately owned Internet of Things infrastructure business, and Chair of AIM listed Idox plc. Chris is also a Non-Executive Director of Rural Broadband Solutions Plc.


Photo of Mike Maddison

Mike Maddison - Chief Executive Officer

Appointment to the Board:
7 July 2022

Career experience
Mike was formerly head of EY’s cyber security, privacy, and trusted technology practice for EMEA, a role he has held since 2017. During that time Mike has successfully delivered strong growth across the 97 countries in the region and reinforced EY’s position as a leading Cyber Security adviser. Previously he led PwC’s Risk Services practice across the Middle East and before that was head of Deloitte’s cyber security consultancy in EMEA for ten years where he also drove significant growth.

External appointments
Mike does not currently have any external appointments.


Photo of Guy Ellis

Guy Ellis - Chief Financial Officer and Company Secretary

Appointment to the Board:
30 June 2023

Career experience
Guy joined NCC Group in 2021, as Director of Commercial Finance as well as serving as Interim Managing Director of our Software Resilience business, and most recently as Interim Managing Director of our UK Cyber business. Guy has over 25 years’ experience in Finance and Commercial roles in the retail sector for brands including Asda and Specsavers. This experience, and the recent interim roles in NCC Group have given him a breadth of understanding of the commercial drivers and operations across the whole business.

Photo of Julie Chakraverty

Julie Chakraverty – Senior Independent Non-Executive Director

Audit CommitteeCyber Security Committee ChairNomination CommitteeRemuneration Committee*

Appointment to the Board:
1 January 2022

Career experience
Julie has a wealth of PLC board experience, recently serving as a Non-Executive Director on the boards of Santander UK and Abrdn plc (formerly Standard Life Aberdeen plc, having been Senior Independent Director and Chair of the Risk and Innovation Committees for Aberdeen Asset Management plc prior to merging). She has also been Chair of the Remuneration Committee for the global insurer MS Amlin plc, a Non-Executive Director for Spirit Pub Company Limited and a Trustee for The Girls' Day School Trust. During her executive career Julie was a Board Member of UBS Investment Bank where she held a number of global leadership positions and won industry awards for innovation every year from 2001-2009 for her "CreditDelta" technology product.

External appointments
Julie Chakraverty is the CEO and founder of Rungway Limited, an employee engagement platform that empowers people to seek and share advice at work, used by leading global firms.

Photo of Chris Batterham

Chris Batterham - Independent Non-Executive Director

Audit CommitteeCyber Security CommitteeNomination CommitteeRemuneration Committee*

Appointment to the Board:
1 May 2015

Career experience
Chris is a qualified Chartered Accountant, spending his early career with Arthur Andersen, and also has significant experience in senior finance roles across the technology sector. Chris was Finance Director of Unipalm plc (the first internet company to IPO in the UK) from 1996 until 2001, before becoming CFO of Searchspace Limited until 2005 and has since held a wide variety of non-executive and advisory roles, the majority having a technology focus.

External appointments
Chris is currently the Senior Independent Director and Non-Executive Deputy Chair of Blue Prism Group plc (and also chairs the nomination committee, as well as being a member of its audit and remuneration committees) and Non-Executive Director at Nanoco Group plc (and also chairs the audit committee, as well as being a member of its nomination and remuneration committees). Chris is also Chair of Racing Digital Limited.


Photo of Mike Ettling

Mike Ettling – Independent Non-Executive Director

Appointment to the Board:
22 September 2017

Audit Committee*

Career experience
Mike has strong sector and non-executive experience. He has had an extensive career in global
technology businesses including SAP-Sucessfactors, NorthgateArinso, Unisys, Synstar and EDS and was formerly a Non-Executive Director of Backoffice Associates LLC, a US PE backed data business, and also formerly a Non-Executive Director of Telkom BCX Ltd, a South African IT and telecommunications business. Mike has also served as a Non-Executive Director with Topia Inc, a Silicon Valley cloud relocation software business.

External appointments
Mike is currently CEO of Unit4, a world leader in enterprise applications for services and people organisations. He is alsoNon-Executive Director of Impellam PLC, an AIM listed recruitment business.


Photo of Jennifer Duvalier

Jennifer Duvalier – Independent Non-Executive Director

Appointment to the Board:
25 April 2018

Cyber Security CommitteeNomination CommitteeChair of Remuneration Committee*

Career experience
Jennifer was Executive Vice President of People at ARM Holdings plc, with responsibility for all people and internal communications activity globally, from September 2013 to March 2017.

External appointments
Jennifer is currently the Senior Independent Director of Trainline plc (where she is also a member of the audit and risk, nomination and remuneration committees) and an independent Non-Executive Director and Chair of the Remuneration Committee of Mitie Group plc (as well as being a member of its nomination committee) (she is also the designated Non-Executive Director for colleague engagement at both companies) and of Guardian Media Group plc. She is Non-Executive Director of The Cranemere Group Ltd, a member of The Council of the Royal College of Art and Chair of the Remuneration Committee, and a senior adviser to the Cleveland Clinic London and M Squared.

Photo of Lynn Fordham

Lynn Fordham - Independent Non-Executive Director

Audit Committee ChairCyber Security CommitteeNomination CommitteeRemuneration Committee*

Appointment to the Board:
1 September 2022

Career experience
Lynn, a chartered accountant, was most recently Managing Partner of private investment firm Larchpoint Capital LLP, a position she held from 2017 to 2021. Prior to joining Larchpoint, Lynn was CEO of SVG Capital for eight years having previously served as CFO. Before that she held senior finance, risk and strategy positions at Barratt Developments, BAA, Boots, ED&F Man, BAT and Mobil Oil. She also served as a non-executive director on the board of Fuller, Smith & Turner for seven years until 2018, chairing its Audit Committee. Lynn was also a Supervisory Board Member of Varo Energy BV.

External appointments
Lynn is currently a non-executive director and chair of the Finance, Risk and Audit Committees of Caledonia Investments plc, Dominos Pizza Group and Enfinium Limited. Lynn is also Chair of RMA-The Royal Marines Charity.

Audit Committee Member of Audit Committee
Cyber Security Committee Member of Cyber Security Committee
Nomination Committee Member of Nomination Committee
Remuneration Committee Member of Remuneration Committee
Committee Chair Committee Chair


Executive Committee


Photo of Andrew Lemonofides

Andrew Lemonofides - Global Managing Director, Software Resilience

Andrew is Global Managing Director for NCC Group’s Software Resilience division, which specialises in selling global Escrow solutions. Andrew was formerly CEO of the then AIM listed Tungsten Network, a leading provider of invoice automation solutions and Group Chief Strategy and Transformation Officer of FTSE listed IWG plc (Formerly Regus) for eight years. Previously he worked across the technology sector in a variety of Managing Director and General Manager roles where he drove significant growth. He spent 13 years at Dell Computer Corporation, seven years at Toshiba Information Systems, and started his career with IBM where he trained as a Systems Engineer.


Photo of Angela Brown

Angela Brown - Chief Marketing Officer (CMO)

Angela is the Interim Chief Marketing Officer (CMO) responsible for the Group’s Brand, PR, Marketing and Communications.

Angela has more than 25 years of international experience in business-to-business (B2B) marketing, communications, and brand, including with PwC and Merrill Lynch, and is the founder of a successful marketing agency.

During 15 years at PwC, she held positions as Head of Marketing for the firm’s Business Recovery function, as well as leading the marketing, brand and communications team in the Middle East. Prior to PwC, Angela was Assistant Vice President in Merrill Lynch’s media relations and research communications function in both London and New York, and also spent time at a PR agency.

Angela is an Ambassador for the Institute of Directors (IoD) as well as a Regional Director of PM Forum, a network for marketing and business development people in the professional services sector.


Photo of Harmen Dikkers

Harmen Dikkers – Interim Managing Director, Fox-IT

Harmen Dikkers, as Interim Managing Director, leads the primary process within Fox-IT and he is responsible for the implementation of the strategic business plans of all divisions: Managed Services, Professional Services, Crypto and DetACT.
After completing his Masters in Computer Science at TU Delft, Harmen started his career as a strategy consultant at ABN AMRO. He then joined Bain & Company, first as a consultant and later as an associate partner, in the telecom, technology and banking sectors. Before Harmen started at Fox-IT, he worked at BAM Infra. As the director of BAM Infra Rail he was responsible for Maintenance (incl. HSL), Finance, ICT and all improvement processes. In January 2021 Harmen started as director of Fox Crypto at Fox-IT, and in June 2023 he became Interim Managing Director.


Photo of Kevin Brown

Kevin Brown – Chief Operating Officer

Kevin joined NCC Group in 2023 and leads NCC Group’s global cyber security capabilities and global delivery centres with overall responsibility for the Group’s Managed Services, Consulting & Implementation, Technical Assurance Services (TAS), and Incident Response offerings.

Kevin spent 20 years in UK policing before moving across to the private sector in 2012. He joined BT initially, transforming its ability to manage risk, and progressed to leading and building a $1 billion managed security service business. As the Managing Director of BT Security, he was responsible for all Chief Security Officer, National Security, and Commercial functions. Most recently, he has been resident CISO for Private Equity firm, Insight Partners, leading their ‘C-suite in Residence’ programme and working with many cyber portfolio companies to refine strategies and further strengthen growth plans.


Photo of Michelle Porteus

Michelle Porteus - Chief People Officer

Michelle is the Chief People Officer and is responsible for all aspects of the Group’s People Strategy, leading on our global talent strategy to attract develop and retain our talented teams by maximising their engagement and potential. She also co-sponsors all inclusion and diversity initiatives with Yvonne Harley, Global Director of Sustainability and Corporate Affairs.

Joining the Group in 2019, Michelle has spent the last two years as the HRD of the UK, Spain and APAC region, as well as supporting the Global Functions.

Michelle is a fellow of her professional institute and has a broad range of experience in consulting and in-house roles leading transformation and organisational change. Her sector experience spans financial services, retail, manufacturing and pharmaceutical, public sector, utility and transport infrastructure.


Photo of Nick Rowe

Nick Rowe - Managing Director, Assurance North America

Nick is Managing Director of the North American Assurance division based in California. He has held positions across business development, consulting and operations management since joining the firm in 1998. Currently Nick is responsible for the Group’s North American operations since relocating from the UK in 2013 and while the primary focus is on the growth of this region Nick also sponsors global initiatives across sales, marketing and, as part of the Group-wide commitment to diversity and inclusion, the Neurodiversity resource group in FY21.


Photo of Rebecca Fox

Rebecca Fox - Chief Information Officer (CIO)

Rebecca is Group CIO responsible for technology and application strategy and delivery in NCC Group.

Rebecca has over 15 years of leading technology functions but also has led sales and commercial teams had a successful interim career and is also the founder of a technology consultancy business.

During her career, Rebecca has led digital transformation, system implementations, organisation design, complex and diverse technical and development teams on a global scale. Rebecca comes from a technical development background, but her experiences include large-scale project/programme/portfolio management, data management and strategy, and service operations.


Photo of Sian John

Siân John - Chief Technology Officer

Siân joined NCC Group in July 2023 and is responsible for driving innovation, insights and intelligence at NCC Group, defining the future direction of services through close interaction with clients, industry, and academia. Siân leads the Group’s Commercial Research, Threat Intelligence and Commercial Product Management teams – central to the Group’s strategic goals of growing its global position and reputation as the first choice, go-to cyber security expert.

A recognised cyber security thought leader and strategist, Siân has 25 years of cyber security experience across strategy, business risk, privacy, and technology and joined NCC Group from Microsoft and is the current Chair of techUK’s Cyber Security Management committee and a council member for EPSRC, the funding body for Engineering and Physical Sciences Research in the UK.