David Clarke
CCISO: Chief Technology Officer and Co Founder
thetrustbridge
David Clarke is a globally recognised authority in cybersecurity, data protection, and governance, combining hands-on expertise with industry-wide influence. David was Global Chief Security Officer for BT and Radinaz (formerly Reuters), leading the security strategy and implementation., He leads one of the world’s largest GDPR/CCPA-focused LinkedIn groups with over 35,000 members, creating a vibrant hub for consultants, CISOs, regulators, and privacy leaders to exchange best practices, tools, and policy insights.
David is the author of the only APMG/NCSC-approved online breach response training course, relied upon by organisations seeking practical readiness for security incidents and data breaches. He is also co author of The TrustBridge’s GDPR audit scheme – one of only 4 approved by the UK regulator, the Information Commissioner’s Office (ICO).
His influence is regularly acknowledged by global institutions and analyst platforms. Recent accolades include:
• Top 50 Cybersecurity Thinkers – Thinkers360, 2025
• Top 50 Thought Leader EMEA – Thinkers360, 2025
• Top 10 Thought Leader – GRC, 2025
• Top 100 Thought Leader – IoT, 2025
• Top 50 Global Thought Leaders on Privacy, 2025
• Top 100 B2B Thought Leaders & Influencers to Work With, 2025
• Top 50 Global Thought Leaders on Cybersecurity, 2024
• Top Voice, LinkedIn – Incident Response, 2024
• Top 50 Thought Leader – Cybersecurity, 2024
• Top 50 Thought Leader EMEA, 2024
David has delivered enterprise-level cybersecurity and GDPR strategies across FTSE 100s, SMEs, and startups, with a footprint spanning finance, fintech, telecoms, utilities, and high-tech sectors. He has led multiple global security operations centres (SOCs) and built frameworks that meet the highest standards of compliance and resilience.
Notably, he designed and secured the world’s largest private trading infrastructure, responsible for $3 trillion in daily transactions, making him uniquely qualified to bridge the gap between technical security and executive assurance.
David brings a rare blend of operational leadership, regulatory insight, and real-world delivery—making him one of the most trusted and influential voices in the global cybersecurity and privacy landscape.