Dr. Gregory M. Vecchi, Ph.D.

VGI Consulting and Training empowers organizations and practitioners with advanced techniques, tactics, and procedures for navigating complex threat challenges — focused on preventing, intervening in, and responding to targeted violence.

We serve corporations, small businesses, schools, law enforcement and security organizations, government agencies, and individuals, delivering consulting and training online, in person, and in hybrid formats. VGI is a dba of Vecchi Group International, LLC — a service-disabled veteran-owned small business (SD-VOSB) eligible for U.S. federal contracts and cleared for confidential, secret, and top-secret engagements.

Independent expert witness, consultant, and trainer specializing in violence prevention, threat assessment, and crisis negotiation for high-stakes civil and criminal litigation.

Leading training programs focused on preventing and responding to active killer attacks across schools, workplaces, and public venues.

Teaching graduate-level criminology and homeland security, translating field experience into academic rigor.

Led the unit responsible for behavioral analysis research and operational support to federal, state, and local law enforcement on the most serious investigations.

Federal investigations across drug trafficking, kidnapping, organized crime, outlaw motorcycle clubs, targeted violence, and terrorism — including a career-long role as crisis negotiator.