Corporate Security Management Expert Witness

Provides Opinion & Testimony In:

Security, Premise Liability, Corporate Security, Security Management, Threat, Risk, Vulnerability, Loss, Audit, American Society for Industrial Security


Expert is a well-known Influential security/resilience and imaginative corporate security advisor with 22+ years of security management experience. He has facilitated threat, risk, vulnerability, loss, and shrinkage audit/analysis leader with achievements spanning worldwide. Mr. Ahrens has also offered security thought leadership in the development of security standards and guides. A former founding member of the ASIS (American Society for Industrial Security) commission on guidelines, he has contributed to a number of security guides and standards and continues his work now with the Council on Tall Buildings and Urban Habitat (CTBUH). In this role, he is developing a security guideline to assist developers and owners in the selection of security controls for their respective iconic properties. Recognized for exemplary results in leadership, team building, security solutions programming/design, business development, mentoring, analysis, policy/procedure development, revenue and cost enhancement and containment. Culminating a decade of achievement in the security space, Mr. Ahrens, in 2014, received two awards for security innovation for his contributions on the Doha, Qatar Petroleum Headquarters project
a 22 million sq. ft campus in Doha, Qatar.


Founding member, ASIS Commission on Standards and Guidelines

Former, ASIS Professional Certification Board (PCB)

Member, Association of Threat Assessment Professionals (ATAP)

Board of Directors, International Association of Professional Security Consultants (IAPSC)

UL Std. Technical Panel 205A & B

UL 1034, Burglary- Resistant Electric Locking Mechanisms

Chair, Security Committee, Council on Tall Buildings and Urban Habitats

Overseas Advisory Council (OSAC)

Homeland Security Information Network (HSIN)

InfraGard Tripwire



Premise liability
Guard procurement, retention and training
Program Development & Protection Programs Launch
Risk / Vulnerability / Threat /Hazard Assessment/ Audit & Mitigation Planning
Awareness Program Creation & Implementation
Security training implementation and management
Policies/Standards Design & Implementation
Systems Design & Evaluation
Emergency planning and response
Workplace Violence Incident Program Development & Response
Crisis Management
Business Continuity Planning
Anti-Terrorist Programming/ Force Protection Planning and Design


Affiliated Engineers, Inc. Chicago, IL – 2016-Present

Direct Security Consulting services and deliver security consulting thought leadership, resilience planning, assessment and security systems design to AEI’s customers.

Jensen Hughes
AON Global Risk Consulting (AGRC) – Glenview, IL – 2003-2016
Current: Global Practice Leader / Manager, Security Consulting & Design

Direct the entire security consulting & Design practice within Aon, including staffing, development, marketing, peer review and the administration of security services for a multitude of client types and challenges. Supervised, trained, mentored and evaluated a diverse team of direct and indirect reports.


Provided strategic guidance and development for large security programs involving corporate campus facilities, data centers, mixed use, and corporate projects within the U.S., APAC and EMEA markets.
Conducted over 60+ security/threat/Hazard assessments for numerous clients and verticals across multiple industries, countries that reduced exposures by pre-identifying vulnerabilities and threats.
Established crisis management and project management programs
Developed, administered and created a wide variety of operational policies, procedures and response programs.
Supported multiple clients with threat assessment investigations and workplace violence management strategies
Prepared, developed, led and facilitated a multi-agency (Fire/Police/Emergency Management) active shooter table top discussion for the purposes of enhancing response during an actual event.
Developed, conducted crisis table tops.
Conducted organizational analyses, reviewed K&R, ERM, and Loss Prevention programs, pinpointed lapses, gaps and recommended enhancements.
Improved security standardization and enforcement by developing benchmarks, corporate standards, departmental reviews, organizational policies/procedures, and business plans/justifications for corporate clients.
Commissioned complete security strategic security building program for Lotte Super tower (High- Rise), South Korea (projected to be the 2nd tallest building worldwide) and the largest corporate office in the Middle East Qatar Petroleum Financial district, which was awarded the most innovative security project in 2014
Evaluated dozens of security management programs and security staffing implementations.


Bachelors of Arts
Western Illinois University, Macomb, Illinois (1997)

Master of Arts in Business and Security Management, Honors Graduate: WEBSTER UNIVERSITY – St. Louis, MO (2006)

CERTIFICATIONS: Certified Protection Professional (CPP); Building Security Certified Professional (BSCP); Security Institute (fellow), Certified Security Consultant (IAPSC)Former Crisis Prevention Instructor (CPI), Certified Security Consultant (CSC)

THOUGHT LEADERSHIP – Book, Articles and Presentations: Authored and presented 50+ articles and informative sources, inclusive of a comprehensive resilience guideline.