
Ollie Gagnon
- Chief Homeland Security Advisor & Executive Director INL Resilience Optimization Center
- Idaho National Laboratory (INL), USA
Ollie Gagnon serves as Chief Homeland Security Advisor at Idaho National Laboratory and is also Executive Director of the INL Resilience Optimization Center. He leads initiatives focused on boosting critical infrastructure resilience, seamlessly aligning INL’s resources with federal, state, local, and industry partners to tackle emerging risks affecting vital systems. With more than 45 years of leadership spanning homeland security missions, Ollie champions strategic partnerships and collaboration across sectors to design innovative approaches for infrastructure risk mitigation. Previously, Ollie was the inaugural Department of Homeland Security Protective Security Advisor, West Florida District, playing a pivotal role in developing risk and resilience programs that strengthened infrastructure protection for 20 million residents. His professional background extends to conducting infrastructure assessments globally for the Defense Threat Reduction Agency and includes 22 years in the U.S. Air Force, where he ultimately served as Chief of Presidential Aircraft Security aboard Air Force One. Ollie is also a Senior Fellow with Cyber Florida at the University of South Florida, a member of the International Editorial Board for the Journal of Critical Infrastructure Policy, and an Advisory Board member for the Center for Cross-Sector-Coordination (CXC). He has twice received the R&D 100 Award for pioneering work in critical infrastructure resilience.
Sessions
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Infrastructure Interdependencies and Cascading effects
From Compliance to Consequence: Engineering “Even If” Resilience for Europe’s Energy Systems
Modern critical infrastructure is deeply interconnected, making it increasingly vulnerable to cascading failures. Disruptions in one sector—such as energy, transport, or communications—can rapidly propagate across systems, amplifying impacts and complicating response efforts. Understanding these interdependencies is essential for effective protection and resilience. This session explores how to identify systemic risks, model cascading effects, and strengthen cross-sector coordination to mitigate disruptions, enhance situational awareness, and ensure continuity of essential services in an increasingly complex threat landscape.

