Michael S. D'Angelo, CPP, CSC, CHPA
Expert Witness
Michael S. D'Angelo, CPP, CSC, CHPA is a security and premises liability expert specializing in premises liability and negligent security litigation. With a career spanning over three decades in security management, consulting, and healthcare security, he brings a comprehensive framework for evaluating security protocols and identifying potential breaches in duty. His work centers on investigating negligent security, assessing risk management practices, and evaluating whether security systems meet industry standards. Mr. D'Angelo has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to violent crimes, workplace violence, and healthcare security. His BA in Social & Criminal Justice, along with certifications in Board Certified in Security Management (CPP), Security Consulting (CSC), and Healthcare Security Management (CHPA), reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving security and premises liability.