Deneen DeFiore is a distinguished cybersecurity, technology, and risk management executive with a strong focus on building resilience across critical infrastructure. She serves as Vice President and Chief Information Security Officer (CISO) at United Airlines, where she leads global cybersecurity and digital risk initiatives to protect airline operations and strengthen aviation cyber safety worldwide.
In addition to her corporate leadership role, Deneen serves on several influential boards, including the National Infrastructure Advisory Council (NIAC), where she advises the White House on strategies to secure the nation’s most vital infrastructure. Her work bridges private-sector operations, public-sector policy, and national security priorities.
A committed mentor and sponsor, Deneen is passionate about developing the next generation of cybersecurity and technology leaders. She actively supports initiatives that expand access, diversity, and leadership pathways within the cybersecurity community.
As a webinar speaker, Deneen brings a unique perspective at the intersection of cyber risk, operational resilience, and critical infrastructure protection, offering practical insights grounded in real-world executive leadership and global operational scale.
