John Patrick Gelinne

Director, Cyber Risk Services

John Patrick Gelinne

7900 Tysons One Place

Suite 800



United States


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John Gelinne is a Director in Cyber Risk Services for Deloitte Advisory in the U.S. and is a part of the Resilient practice that helps clients prepare, respond to, and recover from cyber incidents. John joined Deloitte after retiring from the U.S. Navy after 30 years of service.

John is responsible for cyber incident response, cyber war gaming and building technical resilience that allow organizations to rapidly adapt and respond to dynamic changes, disruptions, or threats.

John’s last tour in the Navy was Chief of Staff for Admiral Mike Rogers, who is now Director of the NSA. During this tour, he played a pivotal role in defending the Navy’s network against an advanced cyber threat. He was recently published in U.S. Naval Institute Proceedings where he described the Navy’s approach to defense in depth in cyberspace.

John holds advanced degrees in Info Systems Management and National Security and has an undergraduate degree in Engineering from the United States Naval Academy.

John Patrick Gelinne