Negligent Security Expert Witnesses
Negligent security expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on negligent security. The negligent security expert witness listings on this page are typically from fields/areas of expertise such as: Firearms & Ballistics, Hotel & Restaurant, Investigation, Jails & Prisons, Law Enf & Criminal Justice, Police Practices & Procedures, Premises Liability, Security, and Slip Trip & Fall.
Elizabeth J Dumbaugh, CPP
THG Consultants
Security, Premises Liability
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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 ...
Drew Neckar, MBA, CPP, CHPA
Security executive and consultant
COSECURE Enterprise Risk Solutions
Security, Premises Liability
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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...
Charles Ahmad, CPP
Security Expert - Apartment Complex Focus
Group Nine Risk Consulting
Premises Liability, Security
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Premises Liability for Negligent Security, Use of Force, Apartment Complexes, Violent Crime, Security Guards, Gas Stations, Security Negligence
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...
Gary R. Coburn
Restaurant Concept Innovations
San Juan Capistrano, California
Hotel & Restaurant, Slip Trip & Fall
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Slip Trip & Fall, OSHA, burns, choking, food safety, dram shop, alcohol, negligent security, employee safety, commercial kitchen, customer injuries, ADA, management, franchise, ownership, permitting, training, investing, accounting, premises liability
Award-winning restaurant executive. Helped create, open, run, and advise hundreds of full-service restaurants, limited-service, quick-service, bars and nightclubs. Additional expertise in restaurant franchising and commercial kitchen design/build from remodels to ground up including conceptual development, viability, and business interruption.
Over 40 years in the restaurant industry as owner, operator, franchisor, consultant, President, Chief Operating Officer, and General Manager of numerous restaurant and food service establishments. Experienced restaurant investor and developer.
Active restaurant owner with consulting business developing restaurant concepts and turning around existing establishments.
Concepts worked on include: Joe's Crab Shack, Cask ‘n Cleaver, Lord Charlie’s, El Gato Gordo, Pizza Pronto, Safari Bar Restaurant, Shark Club, Bull Dog Grill, Stronghouse, Pangea, The Ballroom, Juarez Grill, Dickerson’s Club 29, Yucatan Liquor Stand, Zepp’s Atomic Tex Mex, Cab...
Glenn M Bukata
Bukata Crime Scene Consulting, LLC
Port Saint Lucie, Florida
Investigation, Security
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Death, Murder, Suicide, Homicide, Drowning, Accidental Death, Crime Scene Reconstruction, Ballistics, Negligent Security, False Arrest, False Confession, Overdose, Medicolegal Investigations, Blood Spatter, Video Analysis, Scene Staging, Human Smuggling, Scene Management, Case Management, Testimony
Glenn Bukata is a motivated thirty-four-year law enforcement veteran with twenty-two years of experience in the Broward County Sheriff’s Office Criminal Investigations Division Robbery and Homicide Units.
Expertise in death and injury investigations. Involved in over five hundred death investigations related to Homicide, Infanticide, Suicide, Murdered of Law Enforcement Officers, Self-Defense, Police Involved Shootings, Drowning, Family Murders/Suicide, Dismemberment of Human Remains, Skeletal Remains, Hit and Run Traffic Fatalities, Human Smuggling, Negligent Security, Accidental Drug Overdoses, Drug Trafficking, Consumer and Mechanical Product Failure, Industrial Workplace Misfortunes, and Fatalities involving Public Transportation with Aircrafts, Trains, and Vessels.
Participated in hundreds of postmortem examinations and collaborated with Medico-legal Professionals such as Medical Examiners, Forensics Odontologists, Entomologist, Toxicologist, Biologist, Archaeologist, and F...
Paul F. Duffy
Group Nine Risk Consulting
Pensacola, Florida
Police Practices & Procedures
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Use of Force, Police Procedures, Officer Involved Shootings, Arrest Procedures, Security, Premises Liability, Negligent Security
Paul is a consultant with Group Nine Risk Consulting, a firm specializing in security risk management, forensic consulting, and security / law enforcement training. Paul Joined Group Nine Risk Consulting following a successful military and federal law enforcement career that spanned over thirty years.
Paul was employed by the U.S. Marshals Service (USMS) for 24 years, retiring as the Sex Offender Investigations Coordinator in the Southern District of Georgia. Paul continues his service with the USMS as a part time contractor. Paul served as an Instructor at the USMS Training Division for thirteen years certified as an instructor in use of force, basic tactics, active shooter, less than lethal devices, and firearms. He is also a certified instructional systems design instructor and has created or revised training for various law enforcement agencies. He received certification as a 21st Century Anti-Biased Policing Instructor through the Department of Justice.
While with the USMS,...
William S. Marcisz, JD, CPP, CHPA
Strategic Security Management Consulting, Inc.
Orlando, Florida
Security, Premises Liability
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Hospital & Healthcare Security, Negligent Security, Workplace Violence, Crime Foreseeability, Mall-Retail-Store Security, Hotel & Hospitality Security, Apartment Buildings & Office Security, Parking Lots-Garage Security, Violent Crimes, Casino Security, Bars & Nightclubs and School Security
William S. Marcisz ("Bill"), is President & Chief Consultant for Strategic Security Management Consulting, Inc., providing litigation support to both Plaintiffs and Defense clients including: Case Review & Assessment, Affidavits, Expert Testimony, Investigations and Forensic Consultation on standards of care and best practices in matters pertaining to Premises Liability, Negligent Security, Security Use of Force, and related Civil Litigation with an emphasis on Hospital/Healthcare Security and Workplace Violence. Trial testimony has aided in attaining Jury Awards up to $13.5 Million.
As a Forensic Security Consultant, Mr. Marcisz has reviewed and provided opinions in matters involving violent crime, including active shooter incidents involving claims with high liability exposure, and involving organizations, hospitals, and businesses with national and worldwide brand recognition.
Mr. Marcisz has 40 years of combined experience in private security and complex litigation. Mr. Marc...
Donald P Redl, Jr
Board Certified Investigator - Firearms Expert
Executive Options LLC
Port Charlotte, Florida
Firearms & Ballistics, Security
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Firearms, Firearms Training, Firearms Training Accidents, Force on Force, Force on Force Training, Force on Force Training Accidents, Air Soft, Air Soft Training, Air Soft Training Accidents, Use of Force, Justification, Security, Negligent Security, Concealed Carry, Negligent Training
Don Redl is a licensed and board certified investigator in Florida, New York and Wyoming. He is an expert in the field of firearms, firearms training, force-on-force training and use-of-force training with over 29 years of experience teaching security and armed guard practices, judicious use-of-force, tactical firearms and scenario/reality based force-on-force training, as well as consulting as an expert in firearms and scenario-based force-on-force training accident cases. Bonafides include:
Published author: “Get Off The X” (2017), “Fighting Handgun” (2019) & “Force-on-Force” (2022).
Nationally recognized speaker at professional investigation conferences on: use-of-force, firearms, firearms training, force-on-force training accidents, air soft training accidents, negligent security and security operations cases throughout the United States. https://exopt-usa.com/services/risk-vulnerability-assessments/
Instructor credentials: ILEETA, The International Law Enforcement Educators...
Michael Glasser, CPP, PSP, PCI, CISSP, CSPM, CEH, CNDA
Premises Security - Physical, Electronic, Policy
Glasser Security Group LLC
New Jersey
Security, Premises Liability
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Negligent Security, CCTV, Surveillance, Lock, Access Control, Video Surveillance, Corporate Security, Alarms, Alarm, Door Hardware, Intrusion, CPTED, Burglary, Robbery, Security Guard, Security Management, Premises Liability, Premises Security, Security System, Lock Picking
Michael Glasser’s professional background includes two decades of professional experience providing security consulting, systems design and program management for major corporations, organizations and executive residences. He has provided security assessments, CPTED design, systems design, specification development, technical consultation, IT integration consultation, physical penetration test, physical security red team, expert witness, systems installation and project management services. Projects have been located in North America, South America, Europe, Middle East, Asia and additional locations around the world. Board Certified, Court Qualified,
Areas of Expertise
Physical & Electronic Security Design, Consulting, Maintenance and Operations
Physical Security Hardware and Technology
Security Doors and Hardware
Physical Security Red Team
Premises Security
Security Management
Information Security Policy and Technology
Operational Security Penetration Testing
Pro...
William S. Marcisz, JD, CPP, CHPA
Strategic Security Management Consulting, Inc.
New Jersey
Security, Premises Liability
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Hospital & Healthcare Security, Negligent Security, Workplace Violence, Crime Foreseeability, Mall-Retail-Store Security, Hotel & Hospitality Security, Apartment Buildings & Office Security, Parking Lots-Garage Security, Violent Crimes, Casino Security, Bars & Nightclubs and School Security
William S. Marcisz ("Bill"), is President & Chief Consultant for Strategic Security Management Consulting, Inc., providing litigation support to both Plaintiffs and Defense clients including: Case Review & Assessment, Affidavits, Expert Testimony, Investigations and Forensic Consultation on standards of care and best practices in matters pertaining to Premises Liability, Negligent Security, Security Use of Force, and related Civil Litigation with an emphasis on Hospital/Healthcare Security and Workplace Violence. Trial testimony has aided in attaining Jury Awards up to $13.5 Million.
As a Forensic Security Consultant, Mr. Marcisz has reviewed and provided opinions in matters involving violent crime, including active shooter incidents involving claims with high liability exposure, and involving organizations, hospitals, and businesses with national and worldwide brand recognition.
Mr. Marcisz has 40 years of combined experience in private security and complex litigation. Mr. Marc...
Michael Glasser, CPP, PSP, PCI, CISSP, CSPM, CEH, CNDA
Premises Security - Physical, Electronic, Policy
Glasser Security Group LLC
Brooklyn, New York
Security, Premises Liability
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Negligent Security, CCTV, Surveillance, Lock, Access Control, Video Surveillance, Corporate Security, Alarms, Alarm, Door Hardware, Intrusion, CPTED, Burglary, Robbery, Security Guard, Security Management, Premises Liability, Premises Security, Security System, Lock Picking
Michael Glasser’s professional background includes two decades of professional experience providing security consulting, systems design and program management for major corporations, organizations and executive residences. He has provided security assessments, CPTED design, systems design, specification development, technical consultation, IT integration consultation, physical penetration test, physical security red team, expert witness, systems installation and project management services. Projects have been located in North America, South America, Europe, Middle East, Asia and additional locations around the world. Board Certified, Court Qualified,
Areas of Expertise
Physical & Electronic Security Design, Consulting, Maintenance and Operations
Physical Security Hardware and Technology
Security Doors and Hardware
Physical Security Red Team
Premises Security
Security Management
Information Security Policy and Technology
Operational Security Penetration Testing
Pro...
Marcello R. Kettrles, PSP, CPD, CCE
Preventive Security Assessment Services, LLC
New York, New York
Jails & Prisons, Security
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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...
William S. Marcisz, JD, CPP, CHPA
Strategic Security Management Consulting, Inc.
New York
Security, Premises Liability
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Hospital & Healthcare Security, Negligent Security, Workplace Violence, Crime Foreseeability, Mall-Retail-Store Security, Hotel & Hospitality Security, Apartment Buildings & Office Security, Parking Lots-Garage Security, Violent Crimes, Casino Security, Bars & Nightclubs and School Security
William S. Marcisz ("Bill"), is President & Chief Consultant for Strategic Security Management Consulting, Inc., providing litigation support to both Plaintiffs and Defense clients including: Case Review & Assessment, Affidavits, Expert Testimony, Investigations and Forensic Consultation on standards of care and best practices in matters pertaining to Premises Liability, Negligent Security, Security Use of Force, and related Civil Litigation with an emphasis on Hospital/Healthcare Security and Workplace Violence. Trial testimony has aided in attaining Jury Awards up to $13.5 Million.
As a Forensic Security Consultant, Mr. Marcisz has reviewed and provided opinions in matters involving violent crime, including active shooter incidents involving claims with high liability exposure, and involving organizations, hospitals, and businesses with national and worldwide brand recognition.
Mr. Marcisz has 40 years of combined experience in private security and complex litigation. Mr. Marc...
Daniel Brown
Law Enforcement Expert - Former Police Chief
Evidence Solutions, Inc.
Burns, Oregon
Police Practices & Procedures, Law Enf & Criminal Justice
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Police Use of Force, Police Failure to Protect, Community Policing, Negligent Security, Inadequate Security, Evidence Preservation, Law Enforcement, Deadly/Excessive Force, Evidence Handling, Officer Involved Shootings, Law Enforcement Risk Management
Daniel Brown is a Law Enforcement expert with close to 28 years of combined policing and military service. He is a seasoned professional specializing in Police Policy and Procedure, Excessive/Deadly Force, Negligent/Inadequate Security, Evidence Analysis, Handling & Preservation, Failure to Protect, Community Policing, and more. His experience in law enforcement ranges from municipal, county, tribal, and military branches.
With a proven track record in leadership, Dan has helped establish a municipal police department from inception and used this knowledge to rebuild two different fledgling police departments as a police chief. He is a decorated military veteran of two branches of service and a graduate of the 267th Session of the FBI National Academy.
William V Durso Jr, MBA, CPP
The Durso Group, LLC
Allentown, Pennsylvania
Security, Premises Liability
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negligent security, inadequate security, inadequate security operations, bars, hotels, apartment complex, building security, security officer, security management, casino, nightclub, security consulting, security advisor, retail security, event security, security technology, video surveillance
William V. Durso, Jr., CPP, is the Founder and Principal Advisor of The Durso Group, LLC (TDG). Bill provides litigation support for cases involving inadequate security, negligent security, security management operations and premises liability.
Bill has over 25+ years as security director, security consultant, technology guide and Security Master Plan Subject Matter Expert. Prior to his consulting career, Bill was a Security Director holding all positions and building a few departments from the ground-up. Bill has a unique background that encompasses security operations, security technology, security processes and procedures and facilities management. He has worked closely with Human Resources, IT, Legal, Boards of Director in assuring that his security programs meet or exceed expectations.
Bill now uses the knowledge gained over those years as a Principal Security Advisor for companies that do not have the in-house expertise to assess, plan, develop and implement security master ...
Kevin R. Madison, JD, CPP, PCI, EMT, FF
POLICE & SECURITY USE OF FORCE & PURSUITS EXPERT
Kevin R. Madison, Expert Witness & Consultant, LLC
Lago Vista, Texas
Security, Police Practices & Procedures
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Inadequate Security, Negligent Security, Police Pursuits, Police Chases, Police Crashes, Excessive Force, Use of Force, Assaults, Sexual Assaults, Assaults at Hotels, Parking Garage Safety, Parking Lot Safety, Auto-Pedestrian Safety, Workplace Violence, Foreseeability of Domestic Violence
Kevin R. Madison is UNIQUELY CROSS-CREDENTIALED & QUALIFIED IN THE FOLLOWING ARENAS:
POLICE
USE OF FORCE
POLICE PURSUITS
EMERGENCY VEHICLE RESPONSE PROTOCOLS
SECURITY
AUTO-PEDESTRIAN SAFETY ISSUES
FIRE
EMERGENCY MEDICAL SERVICES (EMS)
Former Assistant District Attorney of Travis County, Texas.
Advanced Peace Officer Certification from TCOLE with law enforcement experience as a Police Chief, Investigator, Police Officer, Campus Police Officer, and Deputy Sheriff.
Certified Police Instructor by Texas Commission on Law Enforcement (TCOLE)
Approximately ten years Security experience, including Security Supervisor of Dobie Center - a premier 27 story college co-ed private dormitory housing 950 University of Texas students, with a two-level shopping mall, 6 story parking garage. Security Supervisor for apartment complexes and Security Consultant for Homeowners Association for Steiner Ranch UT Golf Club Community in Austin and Polo Club Estates in Dripping Springs, Texas. Former ...
Michael S. D'Angelo, CPP, CSC, CHPA
Secure Direction Consulting, LLC
Richmond, Virginia
Security, Premises Liability
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Premises Liability, Negligent Security, Violent Crimes, Workplace Violence, Healthcare Security, Guard Services, Risk Assessment, Hospital Security, Incident Reporting, Security Training, Security Systems Design, Active Shooter
Highly credentialed, Board Certified Expert.
Michael S. D'Angelo, is the Principal & Lead Consultant for Secure Direction Consulting, LLC. He provides case review, expert testimony and consultation on security standards and best practices in cases involving premises liability, negligent security, and related civil litigation, with a special focus on healthcare security and workplace violence.
D'Angelo has been in the public safety and private security industries for nearly 30 years. He retired as a Police Captain with the South Miami Police Department, having served 23 years In a variety of positions; including supervision and senior management. Upon transitioning to the private sector, he was hired as the corporate security leader for Baptist Health South Florida, where he served as an internal consultant for security and emergency preparedness to six hospitals and a multitude of outpatient facilities. He now provides risk assessments, security plans, guard force planning and...
Drew Neckar, MBA, CPP, CHPA
Security executive and consultant
COSECURE Enterprise Risk Solutions
Strum, Wisconsin
Security, Premises Liability
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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...