Sean A Ahrens, M.A, CPP, CSC, FSyl, BSCP

Chicago, Illinois

General Specialty

Premises Liability
Premises Security
Security Alarms
Security Assessment
Security Consulting
Security Management
Security Metrics
Security Operations
Security Programs
Security Systems
Security Training
Workplace Violence Prevention

Specialty Focus

Access Control
Apartment/Condominium Security
Armed Assailant "Active Shooter"
Bank Security
Bars and Nightclubs (Security)
Contract Security Negligence
Crime Foreseeability
Crime Prevention
Crime Prevention Through Environmental Design (CPTED)
Crisis Managment
Demonstrative Evidence
Entertainment Venues (Security)
Excessive Force
Hospitality Security
Hotel Security
Hotels (Security)
Inadequate/Negligent Security
Intrusion Detection
Negligent Security
Parking Garage
Parking Lot Security
Parking Lots/Garages
Premises Liability
Restaurant Security
Retail Security
Risk Management Assessments
Security (Architectural)
Security Alarms
Security Assesment
Security Consulting
Security Management
Security Metrics
Security Operations
Security Programs
Security Systems
Security Training
Shopping Center and Malls (Security)
Special Event Security
Use of Force
Wokrplace Violence Prevention

Primary Areas of Expertise

Security Operations and Premises Liability

Crime Analysis and Demonstrative Evidence

Security Technology

Hospitality, Hotel, Motel, Condominiums and Houses of Worship

Apartment Security

Parking, Garage and Lots

Club, Bars and Entertainment

Workplace Violence

Mr. Sean A. Ahrens is a well-known security/resilience leader who has been providing security consulting  and design services 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 hundreds of assessments, analysis and penetration tests. He is knowledgeable in a myriad of operational, architectural and technological vulnerabilities, which allow foreseeable incidents to occur.

**An accomplished author and lecturer, he is a former founding member of the Commission on Guidelines and standards and has contributed to a number of security guides and standards, inclusive of those that address workplace violence, security officer training and selection, business continuity, facility security controls and risk assessment. His work continues as the Chair of the Council on Tall Buildings and Urban Habitat’s committee where he coauthored a security guideline to assist developers and owners in the analysis and selection of security controls for their respective high-rise properties.

He has 55+ testimonials on his linked in page, which articulate the positive participation in his Clients projects.

**Initial case evaluations/discussions are welcomed and do not incur charges.



  • Pre Case Review
  • Expert Reports, Deposition & Testimony
  • Research and Discovery
  • Consultation on Existing Best Practices
  • Data Analysis and Foreseeability
  • Site/Existing Condition Analysis
  • Existing Conditions Analysis



Masters Organizational Security Management, Webster University
Bachelors, Criminal Justice, Western Illinois University


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