Security Expert Witnesses in Illinois
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: Workplace Violence, Investigations, Premises Liability, Use Of Force, 1st Amendment, Access Control, Alarm, Apartment Buildings & Office Security, Apartments, Armed Assailant "Active Shooter", Arrest, Bars & Nightclubs And School Security, Cannabis Security, Casino Security, and Church Security.
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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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James F Pastor, PhD, JD, CPP
Public Safety & Security Expert
SecureLaw LLC
Illinois
Security, Premises Liability
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Security Law, Premises Liability, Private Policing, Foreseeability & Lawlessness, Terrorism & Extremism, Risk & Liability, Inadequate/Negligent Security, Use of Force, Security Technology, Church Security, Search & Seizure, Security Monitoring, 1st Amendment, Freedom of Religion, Freedom of Assembly, Freedom of Speech, Gang Crime
James F. Pastor is the founder and principal expert of SecureLaw LLC, a legal and security consultancy. He is a multifaceted public safety and security expert with a rich background that spans policing, security, law, and academia. Starting as a tactical officer in Gang Crime Enforcement with the Chicago Police Department, this real-world experience laid the groundwork for his extensive expertise in one of the nation's most dynamic policing environments.
Transitioning to the courtroom, Dr. Pastor built a distinguished legal career representing police unions, security guard firms, and electronic security companies. With a doctorate in Public Policy Analysis, this academic insight, combined with his practical experience, gives him a unique perspective on risk and liability, making him a sought-after advisor for corporations and communities seeking to prevent crime or mitigate its impacts.
Dr. Pastor's "security sense" is a blend of street-level policing intuition, academic scho...
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Brian Landers
Nationally-Recognized Law Enforcement Expert
LandersCRT, LLC
Illinois
Police Practices & Procedures, Law Enf & Criminal Justice
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Use of Force, Arrest, K-9, Police Dogs, Tasers, Pepper Spray, Investigations, Pursuits, Crowd Control, SWAT, De-escalation, Crisis Response, Hostage, Suicide, Jails, Traffic Stops, Officer-Involved Shootings, Firearms, Evidence, Security
Brian is the founder of LandersCRT, LLC and lead consultant/expert. Brian has experience as an expert witness throughout the United States in police practices, training, security practices, corrections, and use of force and tactics. A 19-year veteran of law enforcement who worked patrol, K-9, drug units, and rose to the rank of Lieutenant, Brian also brings valuable street experience to his clients. Now a full-time educator and trainer, Brian provides consulting and expert testimony services on a select basis for both civil and criminal cases. Brian holds a Master's Degree in Public Administration, a Bachelor's Degree in Criminal Justice, and is pursuing his Ph.D. in Business. He holds multiple certifications as a Master Trainer for law enforcement topics and use of force. He frequently serves as a media consultant on police and criminal justice issues for ABC, NBC, CBS, and Fox News affiliates. Brian was elected to three terms on the Columbia County Board of Supervisors (WI) and t...
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G. Michael Verden, MS, CSC
Security Expert - Retired US Secret Service
The Lake Forest Group
Lake Forest, Illinois
Security, Emergency Preparedness
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Executive Protection, Corporate Security, Residential Security, Emergency Managment Plan, Security Plan, Event Security, Healthcare/Hospital Security, Higher Education Security, Cannabis Security, Investigations, Workplace Violence, Risk Assessment, Security Training
With an extensive career as a police officer, Secret Service agent, Senior Director of Security for the NBA, and security advisor, G. Michael Verden understands how to apply security best practices to your unique setting to safeguard people, property, and assets. Mike’s project management experience includes leading engagements with Fortune 100 companies, hospitals, higher education, professional sports, financial services, wealth management, family offices, high net worth individuals (HNWI), commercial real estate, manufacturing plants, industrial sites, corporate headquarters, pharmaceutical, cannabis (medical and retail), and residential security.
Mike employs methodologies learned in a 21-year career as an agent for the United States Secret Service protecting the President, First Lady, and other heads of state and large-scale events such as the Olympics and the Super Bowl to every engagement. He understands how to identify vulnerabilities and implement proper risk managem...
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Sean A Ahrens, M.A, CPP, CSC, FSyl, BSCP
Premise Liability, Security and Workplace Violence
Ahrens Security, LLC
Chicago, Illinois
Security, Premises Liability
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Premises liability, workplace violence, armed assailant "active shooter", training, operations, alarm, surveillance, access control, intrusion detection, locking, crime prevention through environmental design (CPTED), lighting, apartments, hospitality, parking, commercial, retail
Mr. Sean A. Ahrens is a well-known security/resilience leader who has been providing security consulting for over 22+ years. He has been instrumental in the assessment/analysis, design, implementation of security programs for a wide array of commercial, hospitality businesses and a myriad of other entities. He is well versed in best practices and has documented thousands of vulnerabilities to organizational assets.
He has deposition and case experience, and leverages visualizations and data to make powerful impressions regarding foreseeability.
He holds a number of certifications. He is a former Crisis Prevention Instructor, Board Certified in security management as a Certified Protection Professional (CPP), a Board Member with the International Association of Professional Security Consultants and holds their Certified Security Consultant (CSC) designation. He is also a Fellow with the Security Institute and former Building Certified Security Professional.
**He has conducted hu...
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William S. Marcisz, JD, CPP, CHPA
Security & Workplace Violence Expert Witness
Strategic Security Management Consulting, Inc.
Illinois
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...
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