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Reston, VA, September 4, 2026 – FS-ISAC, the member-driven, not-for-profit organization that advances cybersecurity and resilience in the global financial system, today announced the appointment of John “JD” Denning as interim Chief Executive Officer (CEO), effective September 4, 2026.
JD previously served as FS-ISAC's Chief Security Officer, where he led the organization's cybersecurity, physical security, enterprise risk management, and technology functions. With more than 20 years of experience in developing and disseminating critical cybersecurity best practices, JD has worked closely with FS-ISAC’s members, partners, and government stakeholders to strengthen resilience across the financial sector and advance initiatives focused on cybersecurity, operational resilience, and emerging risks.
“On behalf of the Board of Directors, I am delighted to welcome JD as interim CEO. His deep industry expertise, proven leadership, and commitment to FS-ISAC’s mission will strengthen our impact as we serve our members and advance our mission in an increasingly complex threat environment,” said Stephen Sparkes, Board Chair of FS-ISAC and Chief Information Security Officer at TD Bank. “We thank Valerie Abend for her leadership, dedication, and contributions to FS-ISAC, and are grateful for the work she has done to support the organization, our community, and our mission.”
“The global financial sector is navigating a rapidly evolving landscape shaped by supply chain risk, geopolitical shifts, fraud, and emerging technologies,” said John Denning. “The resilience of the sector depends on collaboration, trusted information sharing, and collective action. That mission remains at the center of FS-ISAC’s work, and I look forward to working with our members and partners to strengthen our collective defense.
John “JD” Denning Biography
John “JD” Denning is the Interim CEO of FS-ISAC, leading the organization's mission to advance the cybersecurity and resilience of the global financial sector. Previously serving as FS-ISAC's Chief Security Officer, he oversaw cybersecurity, technology, enterprise risk management, and physical security functions. Before joining FS-ISAC, Denning spent more than thirteen years at Bank of America in senior cybersecurity and operational risk leadership roles, including Global Compliance and Operational Risk Executive. Prior, he served in leadership positions at the U.S. Department of Homeland Security and on Capitol Hill, focusing on cybersecurity, telecommunications policy, and critical infrastructure protection.
About FS-ISAC
FS-ISAC is the member-driven, global platform advancing the security and resilience of the global financial system. We deliver trusted, real-time visibility, so the global financial ecosystem can anticipate threats, respond faster, and reduce systemic risk. Member financial firms represent $100 trillion in assets in 75 countries.
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