Tim Grieveson

Tim Grieveson

The practitioner translating cyber risk management into business outcomes.

Tim leads global efforts in risk, governance, and security strategy. He has led enterprise security programmess across both private and public sectors—managing budgets up to £58M and teams of 400+. Named one of the UK’s Top 30 security professionals, Tim brings deep experience, sharp instincts, and a mission to improve cyber hygiene across digital supply chains. He’s also a Senior Advisor to The Hacking Games, mentoring future ethical hackers.