Security Expert Witnesses in California
The SEAK Expert Witness Directory contains a comprehensive list of security expert witnesses who testify, consult and provide litigation support on security and related issues. Security expert witnesses and consultants on this page may form expert opinions, draft expert witness reports, and provide expert witness testimony at deposition and trial. The issues and subjects these security expert witnesses testify regarding may include: Use Of Force, Security, Crime Foreseeability, Negligent Security, Workplace Violence, Hospital Security, Internal Affairs, Investigations, Premises Liability, School Security, Security Guard Operations, Security Systems, Security Training, Access Control, and Active Shooter.
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Elizabeth J Dumbaugh, CPP
Major, US Army Reserve-Premises Liability Expert
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, Policy & Procedures, Physical Security
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 ...
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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.
Named Global Security Consultant of the Ye...
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Charles Ahmad, CPP, PCI, PSP
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...
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Ronald LANDER, CPP,, CMAS, CHEPS, PSM
The "One Stop" for full-service Security Expertise
Ultrasafe Security Solutions
Norco, California
Security, Fire
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Alarms, Access Control, Video Surveillance, Fire Alarms, Security Systems, Law Enforcement, PSAP, Central Station, Cellular, POTS lines, Police Procedures, Alarm Company Procedures, Fire Alarm Licensing, Burglary Alarms, AES radio
Ultrasafe Security is a national expert witness resource in the area of alarm, fire and other security systems. The principal, Ronald (Ron) Lander retired from the Los Angeles County Sheriff's as a decorated Sargeant. He was one of the pioneers in the (patrol car) automation transition for law enforcement. Ron had parallel experience in the family security business and has experience in virtually all facets of security installation, central station protocol, due diligence and
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Steve Kaufer, CPP
Board certified security expert
INTER/ACTION ASSOCIATES
Pasadena, California
Security, Premises Liability
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hospital security, workplace violence, bar security, nightclub security, concert security, venue security, alarm systems, alarm monitoring, security guards, special event security, school security, fire alarm systems, burglar alarm systems, security systems, hold up alarms, apartment security, multi-family housing
Board certified security consultant providing assistance to the Defense and Plaintiff bar on complex security issues for more than thirty-five years in both Federal Court and State Courts throughout the country. Recognized as an expert in security issues related to healthcare, multi-family housing (apartments), concert venues, hospitality, bars/nightclubs, security officers (security guards), and use of security technology such as alarm systems, alarm monitoring, and video surveillance.
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Benjamin O. Warren, Jr.
LAW ENFORCMENT POLICY, LAPD SERGEANT (RET.)
Hot Pursuit, Inc.
Huntington Beach, California
Police Practices & Procedures, Jails & Prisons
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Pursuit Policy, Use-of-Force, Crime Foreseeability, Lethal Use-of-Force, Excessive Force, In-Custody Death, Firearms, Less-Than-Lethal, Reasonable Suspicion, Probable Cause, Searches, Internal Affairs, Crime & Arrest, Jail Policy, Jail Custody, Jail Suicide, Bars/Night Clubs, Security
POLICE PRACTICES, POLICY & PROCEDURE; JAILS AND PRISIONS EXPERT
• HONORABLY RETIRED SERGEANT, LOS ANGELES POLICE DEPARTMENT (LAPD)
o Served from April 1980 to November 2013
o Extensive field experience: 18 years responding to tens of thousands of emergency calls
o Certified Peace Officer (P.O.S.T.): Basic, Intermediate, Advanced, Supervisory
• CRIMINAL INVESTIGATIONS AND CRIMINAL JUSTICE EXPERTISE
o Detective trainee, Southeast Division, Major Assault Crimes
o Filed cases with District and City Attorneys
o Testified 150+ times as fact witness and investigator in various courts
o Specialized in Proposition 115 preliminary hearings and Peace Officer Hearsay Testimony
• TRAINING & LEADERSHIP
o Criminal Law Instructor, Los Angeles Police Academy
o Designed curriculum and trained new recruits and seasoned officers
o Promoted to Sergeant in 1998; trained and monitored officers daily
o Conducted and reviewed thousands of investigations and reports
• INTERNAL AFFAIRS; LEGAL AFFAIRS; ...
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Dennis Gemberling
Expert in Hotels, Restaurants, Bars, Nightclubs
Perry Group International
San Diego, California
Hotel & Restaurant, Real Estate
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Hospitality Industry, Management, Operations, Maintenance, Upkeep, Safety, Security, Employment, Wages, Harassment, Discrimination, Economic Impact, Business Interruption, Alcohol Service Handling, Food Safety, Construction, Equipment, Standard of Care, Customs and Trade Practices, Human Trafficking
– Over 35 years experience managing, operating and consulting on full-service, limited-service, extended-stay, all-suite, branded and franchised, condo and timeshare hotels and resorts, casual, fine-dining and quick-service restaurants, bars and nightclubs, catering and special event facilities, casinos, and mixed-use real estate. Held prior positions for different owners, operators and chains as Senior Vice President, General Manager, Director of Food & Beverage and Restaurant Unit Manager.
– Retained over 400 projects including brands, franchises and independents across the United States, Mexico and Canada.
- Earned Certificates in Hotel Real Estate Investments and Asset Management from Cornell University and Receiverships Administration, Procedures, and Law from Loyola Law School
– Member of Foodservice Consultants Society International, Forensic Expert Witness Association, and Turnaround Management Association.
- Over 10 years as A.M. Best’s “Recommended Expert Services Prov...
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Adam Bercovici
Police Use of Force/Security-Retd LAPD Lieutenant
Titan National Consulting, LLC
California
Police Practices & Procedures, Security
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Use of Force, Police Shootings, K9 Procedures, Undercover tactics and operations, Police Pursuits, Crowd Control, Use of less-lethal munitions, less lethal munitions, security guard operations, private investigations
I spent 30 years with the Los Angeles Police Department, retiring in 2012 as the Officer-in-Charge of Homicide Special Section, Robbery Homicide Division. I worked on numerous assignments during my career, including Gangs, FTO, Metropolitan Division, and K9. As a sergeant, I was assigned to Patrol and later Gangs, Vice, Internal Affairs, and as an Assistant Watch Commander. When I was promoted to lieutenant, I was assigned to patrol and later received a pay grade advancement to the rank of Lieutenant II. As a Lieutenant II, I was the Officer-in-Charge of the FBI Interstate Theft Task Force, FBI Violent Crime Task Force Los Angeles, Criminal Investigation Section-Joint Terrorism Task Force, The Special Investigation Section (SIS), and Homicide Special Section, Robbery-Homicide Division.
When I retired, I owned and operated Critical Solutions Protective Services Group, a major security company in the Los Angeles area that ran undercover and uniformed operations at various ...
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Dean P. Morris, MBA, CPP, CHPA
Healthcare Security Executive and Consultant
Omega Risk Advisory
Valencia, California
Security, Premises Liability
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Healthcare/Hospital Security, Parking Operations, Office/Commercial Security, Campus Safety, Workplace Violence, Use of Force, Negligent Security, Regulatory Compliance, Disaster Management, HICS, Policy and Procedures, Training, Risk Assessments, Threat Assessment and Management, Security Technology, Security Operations
Dean P. Morris is a board-certified security expert with more than 40 years of experience as a hospital system security executive, consultant, and military police supervisor. A U.S. Air Force veteran, he has served in senior leadership roles with leading healthcare organizations including City of Hope, CommonSpirit/Dignity Health, and Kaiser Permanente/Securitas Security Services. He holds board certifications as a Certified Protection Professional (CPP) and Certified Healthcare Protection Administrator (CHPA). He is also a California licensed private investigator.
Mr. Morris specializes in hospital security operations, with extensive experience in the assessment, design, and implementation of physical security programs. His expertise includes managing armed and unarmed security teams (proprietary and contract), developing standardized policies and procedures, deploying advanced security technologies, leading investigations, overseeing K-9, executive protection, and behavioral thr...
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William S. Marcisz, JD, CPP, CHPA
Security & Workplace Violence Expert Witness
Strategic Security Management Consulting, Inc.
California
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...
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James H Cantrell, CPM, CAM
Standard of Care Property, Association Management
Cantrell Associates
San Francisco, California
Real Estate, Property Management
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Property management, Broker, agent, apartment, commercial, HOA, Condominium management, office, Slips Trips Falls, maintenance, water intrusion, mold, personal injury, security, homeowner association, due diligence, real estate property management, real estate disputes, condo management
Mr. Cantrell is currently active in day-to-day property management. He is a California Real Estate Broker, a Certified Property Manager (CPM), by the Institute of Real Estate Management (IREM) and a Condominium Association Manager (CAM) in the state of Florida.
He is an expert in all aspects of Real Estate including Property Management of Residential, Commercial, Condominiums and Homeowners Associations, Shopping Centers.
Expert in Standards of Care, property damage, personal injury, habitability, landlord/tenant, maintenance, air quality and mold issues, receiverships, lease interpretation, partnership agreements, trust properties, child molestation.
An IREM instructor teaching throughout the US , Russia and Poland. Recipient 1987 Frank Lyons award-CPM of the year, CPM Emeritus 2011, President IREM San Francisco, IREM SF instructor of the year 2001, 2007 nd 2013 Lloyd Hanford Jr Distinguished Faculty award IREM.
Featured speaker National Facility Management and Technol...
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James (Jim) McMahon, CPP, CISSP
Physical/Info Sys Security Expert/Law Enforcement
McMahon & Associates
California
Security, Law Enf & Criminal Justice
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Intellectual Property protection, Physical /Personal/ Information/Network Security, Criminal Investigations, POLICE, CCTV, Computer Forensics, evidence collection, Standard of Care, Training, Fraud, Premises liability, Use of Force, premise security, truth, Information Systems Security, Expert Witness, de-escalation, tracking
Director Certified, Leadership Fellow NACD / Law Enforcement Exec.
Multiple professional certifications. Expert Witness Pre-case consultant
Accomplished professional with comprehensive international investigative skills, information security, and regulatory compliance background and success in achieving and exceeding organizational goals and objectives. Set goals, priorities, manage resources and develop safety plans. Accepted in state and federal courts as an expert witness.
Wide spread work in risk management, premises liability, duty of care, production, manufacturing, customer safety, executive protection global travel, employee training, fraud investigations, pre-employment background, drug testing, innovative regulatory compliance and loss prevention activities within local, state and federal guidelines. Frequent corporate advisor. Significant international experience and operations.
Successful multiple international projects. Research & evaluate industry trends, using...
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Don McGray, CPP
Premises Liability/Negligent Security
Next Step Solutions, Inc.
Huntington Beach, California
Premises Liability, Security
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Security Guard operations, Crime Foreseeability, Negligent Security, Premises Liability, Security Procedures, Threat Assessments, Security Policies, Security Training, Use of Force, Negligent Supervision, School Security, Guard Force Management, Apartments, Commercial Properties, Security Standards, HOA's, Risk Assessment
Don is the founder of Next Step Solutions, Inc., an independent security management consulting firm established in 2014. He conducts security risk assessments, writes policies and procedures, assists in developing security personnel, and provides assistance in the procurement of security products and services. He also provides expert opinions and testimony for plaintiff and defense cases involving security negligence, inadequate security, and premises liability.
Don is board-certified in Security Management, having earned the Certified Protection Professional (CPP) certification through ASIS International in 2015. Don is a current mentor instructor in the annual CPP Review Course, conducted in Los Angeles each year. Don has provided mentoring in the course for the past ten years with a focus on litigation support.
Don retired as a Lieutenant Colonel from the US Air Force Reserve after thirty-two (32) years of part-time service, including nine (9) years in the enlisted ranks as a...
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Mark Mooring, MPA
Premise Security-Workplace Violence-Use of Force
Ventura, California
Security, Premises Liability
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Security Training, Security Deployment, Use of Force, Hospital Security, Security Policies and Procedures, Active Shooter, Security Assessments, Workplace Violence Prevention, Workplace Crime Prevention, OSHA Law Compliance
Certified Protection Professional (CPP) - 20 years
Certified HealthCare Protection Administrator (CHPA) - 20 years
Education and work experience specifically in the workplace security, and safety field. Instrumental in developing programs, that are responsive to OSHA, The Joint Commission (TJC), and other legislated or recommended security programs.
Los Angeles Police Department 22 years Sergeant II - 17 years
Patrol, Metro, Special Investigations, Internal Affairs
Developed, and Officer in Charge of, Suspect Search Dogs - K-9 Unit
Chief of Protective Services - Santa Clara County Valley Medical Center. (1998-2006)
Completely re-designed and implemented a comprehensive security program, which includes all facets of Security Plan Development, Staff Development, Policies, Training, Recruitment, Personnel Management and daily security operations, associated with a large County Hospital.
Proper Authorities LLC - Founder (1993-Present)
Crime Prevention, Loss Prevention, Safe...
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Karen R Laser-Garrett
Police & Security Expert - Lieutenant (Ret.)
Laser Consulting, Inc.
Temecula, California
Police Practices & Procedures, Law Enf & Criminal Justice
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Investigations, Security, Use of Force, Policy and Procedure, Internal Affairs, Administrative Complaint Process
Karen is recently retired from law enforcement, having been employed as a police officer with the Los Angeles Police Department and Oceanside Police Department for a total of 30 years, retiring as a Lieutenant with the Oceanside Police Department. Karen brings experience from a multifaceted career, having been assigned to or responsible for units such as K9, Crisis Negotiation Team, SWAT, Crisis Response Team, Homeless Outreach Team, Harbor Operations, Psychological Evaluation Response Team, Internal Affairs, Community Resource Team, and Investigations. Karen was a Detective Sergeant, supervising the Robbery-Homicide Unit, Crimes of Violence Unit, and Property Crimes Unit. She investigated hundreds of criminal cases ranging from low-level thefts to homicide.
The City of Oceanside brings tourists from around the globe, offering a variety of destination activities. Karen planned and organized large-scale special events such as the City of Oceanside’s July 4th celebrations, music ...
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Michael Dasargo
Use-of-Force Expert | Force Science Analyst
Stronghold Dynamic
San Diego, California
Firearms & Ballistics, Human Factors
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Advanced Force Science Analyst, Use-of-Force, Investigations, Performance Factors, Gun Safety, Counter-ambush Training, Decision-making, Perception and Cognition, tunnel vision, Firearms Training, startle-reaction, Officer Involved Shooting, Self Defense Shooting, Home Defense Shooting, Tactical Operations, Security
Use-of-Force (UOF) Expert Witness and Advanced Force-Science Analyst with
more than 20 years of international experience in executive protection, corporate
risk management, and tactical medicine. Leveraging advanced certifications in
defensive shooting, counter-ambush tactics, and force-science analysis, I provide
courts, law firms, and law-enforcement agencies with scientifically grounded
testimony, and actionable recommendations that withstand rigorous scrutiny.
You can also find Security Expert Witnesses in:
Alaska, Arizona, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Iowa, Louisiana, Massachusetts, Mississippi, Nebraska, Nevada, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Washington, and Wisconsin