Mr. Sean A Ahrens

Ahrens Security, LLC
Chicago, IL 60603
Mobile: 833-247-3677
Office: 833-247-3677

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 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.

Areas of Expertise
  • Alarms
  • Apartment/Condominium Security
  • Crime Foreseeability
  • Hotel Security
  • Inadequate/Negligent Security
  • Parking Lots/Garages
  • Premises Liability
  • Security Management
  • Surveillance
  • Workplace Violence

Expert Background
Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
A: Masters of Arts, Security Management and Organizational Business
Certified Protection Professional
Fellow - Security Institute
Building Security Certified Professional
Certified Security Consultant
Q: Please list your affiliations or memberships in any professional and/or industry organizations:
A: Association of Threat Assessment Professionals
Security Industry Association
Security Institute
International Association of Health Care and Safety
International Association of Professional Security Consultants
Q: Please list any teaching or speaking experience you have had, including subject matter:
A: Regularly speak on all topics associated to security nationally and globally. Topics includes: vulnerabilities, threats, social engineering, red team-blue team, emergency preparedness (pentagon), state of security, crisis management, workplace violence, armed services transitioning into security (volunteer). Example here :
Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
A: No
Q: On how many occasions have you been retained as an expert?
A: 4
Q: For what area(s) of expertise have you been retained as an expert?
A: Premises liability, negligent security, inadequate training, workplace violence
Q: In what percentage of your cases were you retained by the plaintiff?
A: 2
Q: In what percentage of your cases were you retained by the defendant?
A: 2
Q: On how many occasions have you had your deposition taken?
A: 1
Q: When was the last time you had your deposition taken?
A: October 2020
Q: On how many occasions have you been qualified by a court to give expert testimony?
A: 1
Q: On how many occasions have you testified as an expert in court or before an arbitrator?
A: none
Q: For how many years have you worked with the legal industry as an expert?
A: 2
Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
A: Assessment, site inspection, technology review, crime analysis, policy, procedure review, case review.
Q: What is your hourly rate to consult with an attorney?
A: Initial discussion are free.
Q: What is your hourly rate to review documents?
A: $350/hr
Q: What is your hourly rate to provide deposition testimony?
A: $350/hr, plus expenses
Q: What is your hourly rate to provide testimony at trial?
A: $350/hr, plus expenses
Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
A: A $6,000 dollar retainer is required, $2,800 of the $6,000 is non refundable.


Patrick Markey

Social Engineering I describe the process of social engineering and the vulnerability associated with humans.
Talking Drones The good, bad and ugly of drones.