Patrick O'Brien | AIChE

Patrick O'Brien

exida, LLC

Patrick O’Brien is a Certified Functional Safety Professional (CFSP) and a Certified Automation Cybersecurity Specialist (CACS) (Email: He has more than six years of experience as a safety and cybersecurity engineer at exida, LLC, where he leads functional safety and cybersecurity consulting services and training courses for end-user industrial facilities. He has extensive experience leading safety and cybersecurity risk assessments and developing management systems for clients across many industries including chemical, oil and gas, critical infrastructure, and manufacturing. O’Brien is a coauthor of Implementing IEC 62443: A Pragmatic Approach to Cybersecurity, is the project lead for the upcoming Center for Chemical Process Safety (CCPS) book Managing Cybersecurity in the Process Industries — A Risk-Based Approach, and is an active member of the ISA Global Cybersecurity Alliance.