John Harrison

John Harrison is an experienced security professional currently serving as a Security Specialist at Colt Data Centre Services since December 2024. Prior to this, John held the position of Principal Security Consultant at Cundall, where responsibilities included leading security requirements and managing client relationships from the London office. John's consultancy expertise was further demonstrated during tenure as a Senior Design Consultant at CornerStone GRG Ltd, focusing on threat identification and risk minimization for global businesses. Additional experience includes roles as a Design Consultant for Electronic Security at Onnec, and Security Systems Architect and Consultant at Clearview Communications. John began their career in sales and service roles, including a position as Sales Supervisor at Loughton Photographic Ltd and served in the British Army as OPMI. Education includes a National Diploma in Fine Woodwork and Cabinet Making and an Advance GNVQ in Business Studies.