Security Expert Witnesses in New York

Security, Premises Liability - Apartment Security, Parking Lots, Parking Garages, Terrorism, Bars/Lounges/Nightclubs, Security Guards, Transportation Security, Hotel Security, Security Management, Violent Crimes, Inadequate/Negligent Security, Special Event Security, Workplace Violence

Elizabeth Dumbaugh, CPP, is a premises liability and security consultant and testifying expert for THG Consultants, a firm whose consultants have conducted more than 1400 forensic evaluations of premises located in 46 states as well as in Puerto Rico, the Virgin Islands, Columbia, South America and Istanbul, Turkey. Elizabeth consults regarding security and safety aspects of commercial property management and conducts security audits for various types of commercial premises, including but not limited to: multi-family housing, resorts, hotels, retail and office space, nightclubs, and convenience stores. She is board-certified in security management, having earned the prestigious designation of Certified Protection Professional (CPP) from ASIS International, where she serves on the ASIS Leadership and Management Practices Council providing global security best practices to ASIS members. She is a Crime Prevention Practitioner, a designation awarded by the Florida Attorney General’s ...

Security, Premises Liability - Healthcare/Hospital Security, Bar/Nightclub Security, Parking Lot Security, Campus Safety, School Security, Negligent Security, CPTED, Crime Prevention, Crime Foreseeability, Use of Force, Security Officers/Guards, Workplace Violence, Security Assessment, Risk Assessment, Security Training/Education

Drew Neckar is a board-certified security management professional who over his 20+ year career has managed safety and security programs for companies operating in the healthcare, higher education, financial services, and nightclub industries. In 2014 Drew founded Security Advisors Consulting Group, a full-service security consulting firm that has provided strategic advice on improvement of security and violence prevention programs to companies throughout the United States and internationally. Drew and security programs he has managed have been recognized with awards including: Mayo Clinic Health Systems' Security Department was awarded the “Program of Distinction” award from the International Association of Healthcare Security and Safety (IAHSS) while under Drew's leadership. Mayo Clinic Health Systems' Security Department was named to Security Magazine’s “Security 500” as one of the top Security programs while under Drew's leadership. Finalist for Campus Safety Magazine’s “Cam...

Security, Law Enf & Criminal Justice - Security, Premises Liability, Police Procedures, Active-Shooter Response, Use of Force, Officer Involved Shootings, SWAT, Tactical Operations, Firearms, In-Custody Death, Arrest Procedures, Inadequate & Negligent Security, Workplace Violence, Security Management, Security Guards

Charlie is the founding partner of Group Nine Risk Consulting, a firm specializing in security risk management, forensic consulting, and security training. He founded Group Nine Risk Consulting following a long and successful military and federal law enforcement career that spanned nearly 30 years. Charlie was employed by the U.S. Marshals Service (USMS) for 25 years, retiring as a Supervisory Deputy U.S. Marshal in January 2022. During his career with the USMS, he was responsible for numerous aspects of security risk management including exterior perimeters, access control, security assessments, managing security personnel, security awareness training, video surveillance, protective intelligence, and workplace violence prevention at several federal courthouses around the country. His work with the USMS often involved proactively identifying, investigating, and mitigating threats to the life and safety of hundreds of federal judicial personnel across numerous federal facilities an...

Jails & Prisons, Security - Correction Officer Policies & Procedures, Premises Liability, Use of Force, Crime Prevention Through Environmental Design, Standards of Care, Security, Security Management, Conditions of Confinement, Physical Security, Security Guard Negligence, Jail & Prison Practices, Negligent Security

Marcello is the founder of Preventive Security Assessment Services, LLC in New York City; a firm specializing in consulting, physical security and security training. He founded Preventive Security Assessment Services in 2021 following a long and successful law enforcement and security operations career that spanned over 30 years. Marcello was employed by the New York City Department of Corrections (NYCDOC) for over 20 years, retiring in good standing as a frontline Corrections Officer on Rikers Island in July 2011. During his tenure, he was responsible for managing risk in jail settings. His responsibilities included, preventing and managing hazards with conditions of confinement, search and seizure protocols, inmate classification / threat assessments, inmate safety, suicide prevention, exterior perimeters, video surveillance, access control, gathering and sharing intel, report writing, security assessments of physical jails and jail connected facilities. His work with the NYCDO...