Security Expert Witnesses

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...

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...

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...

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 ...

Real Estate, Premises Liability - Property management issues for commercial & residential real estate, arbitration, litigation, lease terms, personal injury, security, property management standard of care, due diligence, real estate consulting, real estate damages, real estate litigation, real estate disputes, real estate management

Mr . Miller was the 2004 Northern California Expert Witness Association President. He is recognized as one of the country’s leading authorities on Real Estate Management issues. In his corporate career, Mr. Miller served as Senior Vice President and then as President of a major nationwide real estate firm with approximately 3,000 employees. He was responsible for 321 apartment developments and 82 commercial buildings in 27 states, consisting of 53,000 apartment and condominium units and approximately 14 million square feet of commercial space.

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...

Electrical Engineering, Intellectual Property - Video, Media, Entertainment, Telecommunications, Internet Streaming, Anti-Piracy, Security, Video Compression, Cryptography, Digital Rights Management, Computers, Movies, Television, Consumer Electronics, Broadcasting

Jim is President & Founder of Media Strategies and Solutions, LLC, a consultancy focused on bridging the divide between technology providers and major media producers thereby lowering business, legal, and technical risk for its clients. Clients include companies involved in the media and entertainment value chain. 2010-present. Jim is the former SVP & CTO of the Motion Picture Association of America, Inc. (MPAA), where he worked closely with Warner Bros., Disney, 20th Century Fox, Universal Pictures, Paramount, and Sony Pictures to advance movie and television producer’s interests throughout the world. 2002-2010. Jim is a former executive with DIRECTV leading the startup of DIRECTV Japan, the launch of the first U.S. nationwide HDTV service, and the development of DIRECTV’s set-top box (STB) platform. Jim advanced from a skilled hardware, software, and chip designer at DIRECTV’s parent, Hughes Electronics, to a seasoned entertainment executive responsible for up to 300 employee...

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.

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...

Hotel & Restaurant, Travel & Tourism - Business, Hospitality, Travel, Tourism, Employment, Human Resources, Safety, Security, Resorts, Lodging, Airlines, Cruise Lines, Meetings, Conventions, Conferences

Dr. Gary Deel holds AS Degrees in Hospitality and Culinary Arts from Valencia College, BS and MS Degrees in Hospitality Management from the University of Central Florida (UCF), a JD in Law from Florida A&M University (FAMU), and a PhD in Hotel Administration from the University of Nevada Las Vegas (UNLV). Dr. Deel spent more than 10 years in the hospitality industry. He worked for the Walt Disney World Company in both theme parks and hotels. He worked for Rosen Hotels & Resorts as Guest Relations Manager, Hotel Manager, Investigations Manager, Assistant Security Director, and Sales Manager for the company's hotels. He worked as Operations Manager for Picsolve, Inc., an entertainment company that manages photo operations for more than 350 attractions all around the world. He worked for Merlin Entertainments Group as Head of Operations at the Madame Tussaud’s Interactive Wax Museum. Finally, Dr. Deel also worked as Manager of Security Training and Administration for Wynn Resorts in L...

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,...

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...

Gaming & Gambling, Security - Surveillance, Gaming, Casinos, Internal Theft & Fraud, Gaming Regulatory Compliance, Loss Prevention, Investigations, Premises Liability, Security, Risk Management, Retail, Restaurant, Hotel, Bars/Lounges/Nightclubs, Safety/Slip, Trip & Fall.

Derk is an independent consultant with over 36 years of gaming surveillance, security and loss prevention experience. He has served in executive positions in security, surveillance and compliance capacities for both commercial and tribal gaming. Derk is Board Certified as a security professional and possesses knowledge and proficiency in security principles and practices, business principles and practices, legal aspects of security, personnel security, physical security, information security, crisis management and investigation. He has earned professional certification as a Certified Fraud Examiner (CFE), as a Certified Protection Professional (CPP) and as a Certified Surveillance Professional (CSP). He is currently the President of the International Association of Certified Surveillance Professionals (IACSP) and is one of its founding members.

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...

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...

Security, Premises Liability - Premises liability, security, inadequate, negligence, training, supervision, use of force, bar, nightclub, casino, apartment, foreseeability, investigation, voyeurism, employment, screening, background, assault, rape, robbery, hiring, pre-employment, surveillance, violence, shooting, stabbing

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...