David Clarke

Head of Security

About David

David is a highly experienced Cyber-security Consultant, who has worked with clients ranging from the FTSE 100 through to SME and start-up level. Previously holding Global Head of IT Security roles at BT and Radianz (formally Reuters), David has been responsible for managing the security infrastructure and delivery of ISO 27001 for multi-billion/trillion-dollar environments.

With over 25 years’ of cyber-security experience, David has worked across multiple sectors, including financial services, government, utilities and FinTech. He is responsible for implementing change, awareness, and maintaining information security-related risks for clients, with a focus on reducing operational risks and improving ROI.

In his role as Head of Security, David leads the CISO Service for QuoStar. This service provides businesses with the cyber-security skills and experience necessary to manage the multitude of threats and rapidly changing risk landscape of today, on a flexible and cost-efficient basis.

Recognised as one of the Top 10 influencers by Thompson Reuters, and a Top 50 global expert by Kingston Technology. David is also one of the Top 30 most influential thought-leaders and thinkers on social media in risk management, compliance, and regtech in the UK.

Qualifications & Associations

  • CPNI
  • Prince2
  • ISO 27001
  • Lead Auditor Certified
  • C|CISO
  • FBCS
  • BSc
  • MSc
James Stelfox
Managing Director
Robert Rutherford
Chief Executive Officer
Simon Gadsby
Chief Operating Officer
Chris White
Head of Consultancy
John Knowles
Austin Brannigan
Systems Management Team Leader
Becca Montgomery
Business Services Manager
Teila Hurlock-Phillips
Marketing Manager
Darren Young
Client Success Manager
Tom Ratcliffe
Service Desk Team Leader