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Gabrielle Thompson, PI, CPP

Vice President, Threat Assessment

Gavin de Becker & Associates

As Vice President of Threat Assessment at Gavin de Becker & Associates (GDBA), Gabrielle is a subject matter expert in threat assessment. GDBA provides security and privacy consultation and protects several thousand clients, including: Fortune 500 companies, billionaires, executives, public figures, film studios, government and law enforcement agencies, universities, and victims of inappropriate pursuit.

For more than 20 years, Gabrielle has been a trusted security advisor on safety and privacy issues to hundreds of GDBA clients, including at-risk individuals, families, and enterprises. She has personally assessed and managed thousands of cases of inappropriate pursuit, threats, and harassment, including workplace violence, domestic violence, and public figure / executive pursuit. She has developed and overseen the threat assessment programs for public figures and billionaire executives, and she also conducts audits of corporate threat assessment programs and policies.

Gabrielle has served on the development teams for several MOSAIC systems, a GDBA computer-assisted method for conducting assessments of situations that might escalate to violence, including MOSAICs for public figure pursuit, workplace violence, domestic violence, threats by students, and threats to judges.

Based on her work as a day-to-day practitioner, Gabrielle has trained thousands in private and public settings on threat assessment concepts. She is Senior Instructor and leads GDBA’s world-renowned Advanced Threat Assessment Academy, where she presents on case management, strategies for managing difficult terminations, and managing victim fear, among other topics. Attendees have included representatives from the government, police departments, Fortune-500 companies (Security, Legal, Human Resources, etc.), universities, and mental health.

While most of her work is confidential, Gabrielle has presented at public conferences including for the Association of Threat Assessment Professionals (ATAP); the Asia Pacific Association of Threat Assessment Professionals (APATAP); the Association of European Threat Assessment Professionals (AETAP); and the American Society for Industrial Security (ASIS) Europe.

Gabrielle is a licensed private investigator, specializing in confidential investigations related to threat assessment, and is a Certified Protection Professional (CPP) through the American Society for Industrial Security (ASIS).