Sean A. Ahrens, M.A, CPP, CSC, BSCP, FSyl
Illinois - Serving: All States, Illinois.

Security Expert Witness
Based in Chicago, Illinois, Sean Ahrens is a distinguished security consultant and expert witness with a focus on premises liability and security negligence. His comprehensive expertise spans the nuances of workplace violence, negligent hiring processes, training methodologies, cutting-edge security technology,...
Brian H. Kleiner, Ph.D., M.B.A.
California
Employment/Human Resources Management Expert Witness
Brian H. Kleiner is a Professor (Emeritus) of Human Resource Management at a prestigious California University following his having earned a MBA degree and PhD in Management degree, each from UCLA. Dr. Kleiner has over 40 years of human resource management experience and has served as a human resource management...
Paul LaRosa at Eagle Security Group
Virginia - Serving: All States and Abroad

Behavioral Analysis, Threat Assessment, Violent Crime, Premises Liability Expert Witness
Retired South Carolina Law Enforcement Division (SLED) agent Paul LaRosa specializes in Behavioral Analysis (colloquially known as “profiling”) to include Threat Assessment, Deterrability and Foreseeability; Reasonableness of Security; Premises Liability/Negligent Security; Workplace Violence (WPV) to include...
Stephen Patrick at Eagle Security Group
Virginia - Serving: All States, United States, National and International

Premises Liability, Negligent Security, Threats, Reasonableness of Security Expert Witness
Retired ATF Agent Stephen Patrick spent his career combating violent crime. As a criminal investigator, he led and participated in numerous high-profile criminal investigations in the Washington, DC area. As a member of the ATF's National Response Team, Mr. Patrick deployed across the United States to assist local and...
Michael S. D'Angelo, CPP, CSC, CHPA
Virginia - Serving: All States

Security Expert Witness
Michael S. D'Angelo is a highly credentialed, Board Certified Security Consultant and former Police Captain.
As the Principal & Lead Consultant for Secure Direction Consulting, LLC, Michael S. D'Angelo provides case review, expert testimony, and consultation on security standards and best practices in cases...
Stephen M. Raffle, M.D. & Associates
California - Serving: All U.S states and abroad

Forensic Psychiatry, Psychiatric IME, Fitness for Duty/Threat Assessment Expert Witness
Stephen M. Raffle, M.D., board-certified in Forensic Psychiatry and (general) Psychiatry, has conducted over 5,000 psychiatric evaluations and testified in over 800 civil and criminal trials as an expert witness. He has conducted thousands of Fitness for Duty and Threat Assessments for employers. He is skilled at...
Jane Gray Associates, LLC
Ohio - Serving: All States including Puerto Rico

Premises Liability and Negligent Hiring and Retention Expert Witness
Dr. Jane Gray has extensive training and experience in the areas of premises liability and negligent hiring and retention. Her specific area of expertise resides in identifying the foreseeability of crime using a number of techniques, including evaluating the environment as would a criminal offender. Dr. Gray has...
Robert A. Gardner, CPP
Santa Paula, CaliforniaForensic Security Consultant & Expert Witness Serving CA, NV & AZ

Robert A. Gardner, CPP is a Board Certified & CA/NV/AZ Licensed Security Consultant, Private Investigator & Private Patrol Operator with more than 40 years of hands-on security and law enforcement experience. He has provided Forensic Consulting and Expert Witness services since 1991....
Thomas J. Lekan Security Consulting LLC
Brecksville, OhioPremise Security and Violent Crime Expert Witness

Premise Security, Workplace Violence, White Collar Crime, Major Crime Cases; I have over thirty five years of experience in security and law enforcement. I have retained as an expert in many premise security cases where a major crime has occurred based on the adequacy of security. I have been the...
Emergency 911 Consulting
Wilton, ConnecticutCorporate Emergency Preparedness, Training & Compliance

911 Consulting, a Corporate Emergency Preparedness and Training & Compliance Firm headed by Mr. Bo Mitchell specializes in protecting corporations, schools, medical facilities against emergencies of all types. Evacuation plans, workplace violence policy and training, OSHA compliance, fire...
Sem Security Management
Trevor, WisconsinSecurity Consultant and Security Expert

Dick Sem has 35 years' of security leadership experience in all aspects of security and workplace violence management. He is known within the industry as a leader and innovator; and for his demeanor, thoroughness and professional integrity.
Gary M. Farkas, Ph.D., M.B.A.
Honolulu, HawaiiClinical and Forensic Psychologist, Workplace Violence Expert
