Our Team
Defuse / diːˈfjuːz/ verb: to make a situation less dangerous.
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Philip Grindell MSc
Founder & CEO
Following a 30 year career as a Metropolitan Police specialist detective at New Scotland Yard, Philip has become one of the UK’s most trusted leaders & advisors when it comes to lone actor and fixated threats to prominent people and brands. Following the fatal attack on Jo Cox MP, Philip set & ran the team responsible for the protection of MPs successfully identifying the threat that prevented the next attack.
Philip has a MSc in Security Management. He is a regular contributor in the media, public speaker, and trainer

Dr Lorraine Sheridan Phd
Partner
Dr Lorraine Sheridan is a Chartered Forensic Psychologist, completing Europe’s first PhD on stalking. She is a police accredited offender profiler and compiles psychological reports related to offenders, highlighting the risks posed by known or unknown suspects. Lorraine was formerly a senior academic in Perth, Western Australia.
Dr. Sheridan is the former President of the Asia Pacific Association of Threat Assessment Professionals.
https://scholar.google.com.au/citationsuser=oTK9ffAAAAAJ&hl=en&oi=ao
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Amanda Grindell
Business Development & Client Liaison Director
Amanda has spent her career in business development, sales and client liaison. She has worked in a number of different sectors across the globe, including within the commercial counter espionage industry. Amanda brings a wealth of experience and expertise ensuring that clients receive the very best service, together with great empathy and understanding.
Supporting our team are consultant analysts and professionals personally selected for their expertise and often unique skill set.