Defuse / Diːˈfjuːz/ Verb:
To Make a Situation Less Tense Or Dangerous

Defuse Global is small on purpose.

We focus on experience and judgement rather than scale, because complex personal risk is best handled by people, not large teams.

We work with advisers, family offices, organisations, and prominent individuals when something doesn’t feel right, but the level or nature of risk is not yet clear. Our role is to provide clarity early — before uncertainty, anxiety, or speculation begins to distort judgment and decision-making.

We don’t sell fear, and we don’t default to heavy security.

Instead, we take the time to understand what is actually happening — the behaviour, the context, and the intent — and then advise proportionate, evidence-led action. In many cases, that means reassurance rather than intervention.

Defuse Global exists to help clients and advisers think clearly at moments when pressure, exposure, or uncertainty could otherwise push decisions in the wrong direction.

“Defuse Global’s ability to identify, analyse, and assess online hate and targeted threats is genuinely first class. It has allowed us to make smarter, more proportionate decisions – strengthening defence and deterrence around the Principal and their family while protecting the security budget and ensuring financially prudent outcomes.

At a personal level, Philip is the one who tells me whether my client is actually in danger and, if so, what to do about it. He won’t oversell, he won’t undersell- he’ll just tell me the truth. That clarity and integrity are invaluable. Defuse’s regular reporting provides calm, evidence-based reassurance, cutting through noise and unfounded concern.

On one occasion, their rigorous, scientific assessment enabled appropriate escalation to law enforcement, resulting in a decisive outcome.

Defuse Global is now a trusted part of our protective ecosystem, and I would recommend them without hesitation.”

CSO US-based Private Family Office – 2026

Philip Grindell MSc CSyP – CEO & Founder

Philip Grindell is a trusted risk and threat adviser to prominent individuals, families, and the advisers who support them. He is typically brought in early, when increased exposure, scrutiny, or uncertainty begins to affect judgement and decision-making, often before a situation is clearly dangerous.

As founder and CEO of Defuse Global, Philip advises family offices, private clients, lawyers, and strategic communications firms on how to recognise emerging personal risk and respond proportionately, discreetly, and without unnecessary disruption. His role is to help clients and advisers distinguish genuine concern from noise and maintain clarity at critical moments.

Philip brings over 35 years’ experience from senior roles in UK law enforcement, counter-terrorism, intelligence, and protective security. This includes serving as a Scotland Yard Detective, a Counter-Terrorism Security Coordinator, and helping to establish Parliament’s specialist threat assessment capability following the murder of Jo Cox MP.

He is particularly recognised for his work on personal and behavioural threats affecting prominent individuals, including fixation, stalking, harassment, and targeted risk. Where required, his advisory work draws on discreet investigations and behavioural threat assessment, used selectively and in context.

Philip holds an MSc in Security Management, is a Chartered Security Professional, and is the author of Personal Threat Management (2025). Defuse Global is recognised in the Spear’s 500 as Top Recommended in Security, Intelligence and Investigations.

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Amanda Grindell – Director of Business Development

Before joining Defuse Global, Amanda’s experience was in the TSCM and commercial counter-espionage industry, where discretion is a necessity, not a preference.

That background shapes how she supports Philip and the clients Defuse Global works with. People often come to Defuse at moments of unease, sharing concerns they have not voiced elsewhere. Amanda understands that trust is built quietly, through care, accuracy, and doing exactly what one says they will do.

She manages operations, develops proposals, and builds long-term client relationships, ensuring work runs smoothly behind the scenes.

Her international experience enables her to work comfortably across cultures and time zones, and her calm demeanour helps people feel at ease, even when conversations are challenging.

Clients know that when they speak to Amanda, they are being listened to — and that what they share stays with her.

Dr Lorraine Sheridan, PhD

Chartered Forensic Psychologist

Lorraine works at the point where behaviour starts to worry people, but the level of risk is not yet clear. Her role is to help advisers, organisations, and individuals understand whether their concern is justified, what genuinely matters, and what, if anything, needs to happen next.

She completed Europe’s first PhD on stalking and has spent more than 25 years working on cases involving stalking, harassment, threatening behaviour, and harmful communications. Much of her work sits in situations where there is uncertainty, conflicting advice, or rising anxiety, where proportionate judgement matters more than labels.

Lorraine has advised police forces, courts, governments, corporations, and security professionals internationally. An evidence-based harassment risk assessment she developed was used nationally by police in England and Wales for many years, shaping how large numbers of cases were assessed and managed.

Registered as a forensic psychologist in both the UK and Australia, Lorraine is known for her calm, evidence-led approach. She helps separate genuine risk from background noise, avoids unnecessary escalation, and supports decisions that people can stand behind.

Her work reflects Defuse Global’s values: clarity over alarm, judgement over assumption, and action only where it is genuinely needed.