Keith Duemling serves as Vice President and Chief Information Security Officer for Catholic Health Long Island, an integrated health system encompassing six hospitals, more than 20 ambulatory and care locations, and approximately 17,000 caregivers. He is responsible for enterprise cybersecurity strategy, governance, risk management, identity and access security, threat detection and response, security architecture, third-party cyber risk, regulatory assurance, and cyber resilience. His areas of focus include identity-centric security, endpoint protection, security monitoring and managed detection and response, healthcare incident response, electronic health record security, medical-device risk, third-party oversight, workforce awareness, business continuity, and executive cyber-risk communication.