Our Team

Our team is central to everything we do. Together, they have unrivalled experience gained in senior roles in the public and private sector and a strong practical grounding, with team members holding numerous globally recognised qualifications in cyber security and information assurance assessment.

Thomas Chappelow ACIIS

Principal Consultant

Tom is our head of practice and lead QSA; he is responsible for the day-to-day management of the practice, with oversight of all client services.

As a senior information assurance professional, Tom has advised clients across the world and in many diverse sectors, including oil & gas, defence, government, and financial services.

Tom has also provided technical security evidence for a number of high-profile legal cases and governmental inquiries, including for the Parliamentary Joint Committee on the National Security Strategy.

In addition to being a member of the Chartered Institute of Information Security, Tom has attained a number of industry qualifications, including: CISA, CISM, NCSC Certified Information Assurance Auditor, ISO 27001 Lead Auditor, and PCI DSS QSA.

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Phil Brining BSc, MBA, LLM

Director of Consulting

Phil is accountable for the successful delivery of our services. He provides strategic oversight of the practice, and leads our quality management programme.

Practicing as a data protection and information governance specialist since 2006, Phil has gained a broad range of project, operations, and consulting experience in several industries.

Phil has authored a number of articles that have been published in industry magazines, as well as a long-standing blog, the ‘Outsourced DPO.’

To compliment his experience Phil has an LLM master’s degree in information rights law and practice and is a QSA for the PCI DSS.

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Consulting and delivery team

Andrew Mason

Technical Director

Andrew is a technologist with over 25 years of experience. He is a leading networking and security expert, having authored several market defining books on Cisco products and network security technologies.

His qualifications include: CISSP, CCIE, CHECK Team Leader, and PCI QSA.


Kieran Nalton

Information Security Consultant

Kieran is an experienced information security and risk management professional who joins us from the British Army, by way of a global manufacturing firm.

His qualifications include: CISMP and ISO 27001 Lead Auditor. He has previously qualified as a PCI ISA.


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Sales and business support team

David Hendry


Dave has over 20 years of experience in B2B sales, with an undoubted passion and an impressive track record in corporate and public sector sales, ranging from application integration software through to IT systems and infrastructure security.


Robin Hill


Robin has over 25 years in cyber security industry, and brings a wealth of commercial expertise to the management team. Robin was a co-founder of RandomStorm, a leading IT security company until its acquisition by Accumuli PLC in 2014.


Gary Billings

Sales Manager

Gary has sold IT and cyber security solutions within a variety of industries, including retail, government, healthcare, financial services and distribution. He excels in translating complex security challenges into ‘plain English’ solutions.


Rob Wilkinson

Business Development Executive

Rob has worked with numerous high-profile clients, ranging from large retailers to global payment processors, to add value to their security programmes. At University, Rob attained a BA in Business Studies, achieving a first class in sales management. Rob has been with DSP since its formation in 2018.


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