Security Expert Witnesses
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 security. The security expert witness listings on this page are typically from fields/areas of expertise such as: Computers, Cybersecurity, Engineering, Firearms & Ballistics, Gaming & Gambling, Hotel & Restaurant, Jails & Prisons, Law Enf & Criminal Justice, Mechanical Engineering, Police Practices & Procedures, Premises Liability, Railroad, Real Estate, Security, and Transportation.
Elizabeth J Dumbaugh, CPP
THG Consultants
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 ...
Drew Neckar, MBA, CPP, CHPA
Security executive and consultant
COSECURE Enterprise Risk Solutions
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...
Charles Ahmad, CPP
Security Expert - Apartment Complex Focus
Group Nine Risk Consulting
Premises Liability, Security
-
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...
James H Cantrell, CPM, CAM
Cantrell Associates
San Francisco, California
Real Estate
-
Property management, Broker, agent, apartment, commercial, HOA, Condominiums, office, slip/trip/fall, maintenance, water intrusion, mold, personal injury, security, management standard of care, due diligence, real estate property management, real estate disputes
Mr. Cantrell is currently active in day to day property management. He is a California Real Estate Broker, a Certified Property Manager (CPM) 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 Technology Conference-Chicago 2007 and Baltimore 2008, 2009. C...
Dennis Gemberling
Perry Group International
San Francisco, California
Hotel & Restaurant, Real Estate
-
Hospitality Industry, Management, Operations, Maintenance, Upkeep, Safety, Security, Employment, Wages, Harassment, Discrimination, Income and Economic Impact, Business Interruption Issues, Alcohol Service Handling, Food Safety, Construction, Equipment, Standard of Care, Customs and Trade Practices
– 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...
Karen R Laser
Laser Consulting, Inc.
Temecula, California
Police Practices & Procedures, Law Enf & Criminal Justice
-
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 ...
Benjamin O. Warren, Jr.
Hot Pursuit, Inc.
Huntington Beach, California
Police Practices & Procedures, Jails & Prisons
-
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
Los Angeles Police Department (LAPD): April 21,1980 to November 30, 2013 - Honorably retired at the rank of Sergeant.
Peace Officer Standardized Training (P.O.S.T.) certified peace officer with Basic, Intermediate, Advanced and Supervisory certifications. Patrol and field functions for a total of 18 years. Responded to tens of thousands of emergency calls for service. Assigned as Delegate and Defense Representative on behalf police officers of the Los Angeles Police Protective League.
Assigned as a detective trainee, Southeast Division, Major Assault Crimes (MAC). Filed cases with the Los Angeles County District Attorney and Los Angeles City Attorney. Prepared and presented criminal cases for preliminary hearing and trial. Testified approximately 150+ times at preliminary hearings and criminal trials and Municipal Court as an investigator and fact witness. Testified at preliminary hearing under California, Proposition 115, Peace Officer Hearsay Testimony, pursuant to the Cr...
Jonathan Gibney
Expert Witness in Cybersecurity, IT & Technology
Southridge Technology
Brookfield, Connecticut
Cybersecurity, Computers
-
business technology, ransomware, firewall, network, end-user, business continuity, hacking, security, computer, disaster recovery, managed services, cybersecurity, server, virus, IT, email, education
Jonathan Gibney
Southridge Technology
Co-owner and CEO
With more than 25 years of experience in technology and 8 more in finance, Jonathan Gibney is the co-owner and CEO of Southridge Technology, a leading IT firm and multi-year winner of the Marcum Tech Top 40 Award. He holds a certificate in Cybersecurity from MIT and, as an expert in HIPAA security, Cloud Computing and the use of technology in small and mid-sized businesses, Jonathan has been published in several regional and state dental association professional journals and is a regular conference presenter.
Timothy R Borchers
Light Rail: Accident, Safety & Compliance Expert
National Transit Services LLC
Tampa, Florida
Transportation, Railroad
-
Subway, Railway, Railroad, Train, Light Rail, Streetcar, Derailment, Trolley, Tramway, Accident, Incident, Rail, Track, Intersection, Transit, Vehicle, Safety, Security, Heritage, DOT
Light Rail: Accident, Safety & Compliance Expert
With over 40 years of international experience in the light rail (LRT), streetcar, trolley, and tramway industry, I bring extensive knowledge in operations, design, construction, maintenance, engineering, and regulatory compliance.
As a compliance expert, I have safety-certified high-profile light rail systems with the Federal Transit Administration (FTA) through local Departments of Transportation (DOT). I have regularly authored and reviewed incident and accident reports, developed Standard Operating Procedures (SOPs), and prepared technical documentation for litigation attorneys as an expert witness.
My proficiency in investigative report writing has led to authoring and co-authoring multiple white papers, light rail standards, and industry articles. A key aspect of my career has been conducting risk and hazard analyses and identifying and mitigating risks in the rail industry.
I have served both as a member of public transit r...
James H Cantrell, CPM, CAM
Cantrell Associates
Florida
Real Estate
-
Property management, Broker, agent, apartment, commercial, HOA, Condominiums, office, slip/trip/fall, maintenance, water intrusion, mold, personal injury, security, management standard of care, due diligence, real estate property management, real estate disputes
Mr. Cantrell is currently active in day to day property management. He is a California Real Estate Broker, a Certified Property Manager (CPM) 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 Technology Conference-Chicago 2007 and Baltimore 2008, 2009. C...
Gary L Deel, PhD, JD, MS, MA
Hospitality Expert (Hotels, Restaurants, etc.)
FC Consulting & Expert Witness
Windermere, Florida
Hotel & Restaurant, Travel & Tourism
-
Business, Hospitality, Travel, Tourism, Employment, Human Resources, Safety, Security, Resorts, Lodging, Airlines, Cruise Lines, Meetings, Conventions, Conferences
Dr. Gary Deel is a polymath with a strong record of career success in several industries including hospitality management, higher education, legal work, and professional consulting, and a mastery of knowledge in several other academic areas including aerospace studies, psychology, sociology, and criminal justice.
Gary has spent more than 15 years as a professor at various institutions, including Valencia College, University of Nevada Las Vegas (UNLV), Colorado Technical University (CTU), Kaplan University, the Art Institutes (Ai), the University of Central Florida (UCF), American Public University System (APUS), Colorado State University (CSU), and University of Florida (UFL), and Thomas University (TU). Gary has developed and taught courses in business, hospitality, leadership, ethics, law, professionalism, sales and marketing, engineering, maintenance, culinary arts, human resources, space studies, astronomy, and other academic areas. Gary currently serves as Professor for the ...
Paul F. Duffy
Group Nine Risk Consulting
Pensacola, Florida
Police Practices & Procedures
-
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,...
Donald P Redl, Jr
Board Certified Investigator - Firearms Expert
Executive Options LLC
Port Charlotte, Florida
Firearms & Ballistics, Security
-
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...
Joshua C Shelton, CPP, CTM
Group Nine Risk Consulting
Peachtree City, Georgia
Security, Premises Liability
-
Security, Premises Liability, Threat Assessment, Active-Shooter, Inadequate & Negligent Security, Workplace Violence, Security Management, Security Guards, Gas Station, Apartment, Parking Garage, ASIS, Physical Security, Asset Protection, Logistics Security, Investigations, WPV, SHRM, assault
Josh is a senior consultant at Group Nine Risk Consulting and a seasoned professional with over 20 years of career experience in corporate security and law enforcement. Josh is board certified in Security Management, having earned the Certified Protection Professional (CPP) certification through ASIS International. Globally recognized as the standard of excellence for security management professionals, the CPP demonstrates one’s knowledge and competency in seven key domains of security: Security Principles and Practices, Business Principles and Practices, Investigations, Personnel Security, Physical Security, Information Security, and Crisis Management.
Josh is also a Certified Threat Manager (CTM) by The Association of Threat Assessment Professionals (ATAP). ATAP is a distinguished and dynamic organization that serves as a pivotal hub for professionals dedicated to the comprehensive field of threat assessment and risk management. Comprising a diverse community of experts from var...
Derk J Boss, CFE, CPP, CSP
DJ Boss Assoc
Las Vegas, Nevada
Gaming & Gambling, Premises Liability
-
Security, Surveillance, Bar/Nightclub, Dram Shop, Event Security, Hotel, Inadequate/Negligent Security, Investigations, Loss Prevention, Multi Unit Housing, Parking, Regulatory Compliance, Retail/Restaurant, Risk Assessment, Security Management, Title 31, Use of Force, Workplace Violence
Independent Security Consultant specializing primarily in gaming security and surveillance as well as premises liability with over 36 years of practical experience. Earned professional certification as a Certified Fraud Examiner (CFE) from Association of Certified Fraud Examiners, Certified Protection Professional (CPP) from ASIS International, Certified Surveillance Professional (CSP) with International Association of Certified Surveillance Professionals. Currently the President of the International Association of Certified Surveillance Professionals and is one of its founding members.
Marcello R. Kettrles, PSP, CPD, CCE
Preventive Security Assessment Services, LLC
New York, New York
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...
Jon Washington, BSME, MBA, PMP
Engineering, Design, Manufacturing & Patent Expert
The Innovation Garage, LLC
Clinton, Ohio
Engineering, Mechanical Engineering
-
Automotive, Aerospace, Gaming, Casinos, Financial Self Service, Manufacturing, Design, Systems, Polymers, Plastics, Barriers, Security, Software, Metal Forming Processes, Patent Process, Business Process, Operations, Medical Devices, Supply Chain, Consumer Products
Jon Washington is currently Founder and Proprietor of The Innovation Garage, a company he has run since August 2012. The Innovation Garage is a consultancy that provides education, tools, technology, and expert consulting in change management for strategy, innovation, and supply chain.
The Innovation Garage works with organization leadership teams to help design strategy, build internal capability, and execute systems and solutions by providing education tools, and technology. The client base includes start up, not for profit, and globally recognized publicly traded organizations including several global fortune 500. Since founding the organization in 2012, The Innovation Garage has worked with 75+ global organizations and Mr. Washington has personally trained over 1,500 leaders and their extended internal team members.
In addition to his role at The Innovation Garage, Mr. Washington consults with organizations across many industries and sizes including start-ups, mid-market priva...
Raymond V Kasey
Raymond Kasey
Falls Church, Virginia
Transportation, Security
-
hazardous materials, dangerous goods, chemicals, railroad, truck cargo tank, security, grade crossing, derailment, mechanical, signal, operations, track, locomotive, tank car, packaging, accident reconstruction and investigation, Federal Railroad Administration
BIOGRAPHICAL QUALIFICATIONS
I am an expert in railroad safety and particularly in the hazardous materials (hazmat or HM) discipline of regulations contained in 49 CFR Parts 100-199 and also qualified to enforce Parts 200-299. I have worked in the industry for 57 years. My career began as a locomotive fireman and engineer on the Erie Lackawanna Railroad on September 6, 1967. I was subsequently promoted to Trainmaster-Road Foreman of Engines on the Consolidated Rail Corporation (aka, Conrail) in 1977. In 1983 was hired by the U.S. Department of Transportation / Federal Railroad Administration (FRA) as a Hazardous Materials (HM) Inspector. In 1991 I was again promoted as a HM Specialist to the FRA Headquarters in Washington, D.C. where I remained until my retirement at the conclusion of my government career in 2010.
Since that time I have worked doing various consulting duties for railroads, railroad repair companies, other consulting companies, the government, and as an exper...
Michael J. Canaan, CPP
Security Premises Liability Expert Witness
Trident Investigative Service, Inc.
Seattle, Washington
Security, Premises Liability
-
hiring, pre-employment, inadequate, negligence, training, supervision, use of force, bar, nightclub, casino, apartment, foreseeability, investigation, voyeurism, employment, screening, background, assault, rape, robbery
FORENSIC SECURITY PREMISES LIABILITY EXPERT with over forty-five years of experience in professional security, investigative, military, and law enforcement fields.
That extensive BACKGROUND AND TRAINING has allowed me to become familiar with professional security industry standards and best practices.
BOARD CERTIFIED IN SECURITY MANAGEMENT by the American Society for Industrial Security, International. This credential is the security profession's highest recognition of practitioners. ASIS is the world's largest membership of security management professionals, with 35,000 members, and is the premier source for learning, board certification, networking, and standards.
HONORABLY SERVED in the United States Marine Corps, supporting the Presidential Helicopter Mission as security aboard Marine One, the Presidential helicopter. Also served as a Military Police Watch Commander and Patrol Supervisor, Military Working Dog Handler, Kennel Master, and Canine Trainer for the Third Marine Di...