Greg Temm, CISSP

Experienced Fortune 100 cyber and resilience executive currently serving as CISO of the leading broadband and video provider in the United States, with a track record of global leadership across cybersecurity, operational resilience, intelligence, and critical infrastructure.In my current role, I lead cybersecurity for a large-scale communications environment supporting millions of customers and critical connectivity across the United States. My focus spans enterprise cyber risk, security operations, resilience, governance, and protecting the technology and infrastructure essential to how people and businesses connect.Over the course of my career, I have led global cyber and physical intelligence programs, intelligence and security operations organizations, enterprise security transformation efforts, cyber resilience programs, and cross-sector collaboration initiatives. At Mastercard, I led a global cyber and physical intelligence program and served in a leadership role within its global operations command center.As a global executive at FS-ISAC, I led intelligence and security operations with teams in the United States, London, and Singapore, helped coordinate the financial services sector through major cyber incidents, and led global industry events and executive engagements across North America, Europe, and Asia. This experience brought together security executives, financial institutions, government partners, and other stakeholders across geographic and organizational boundaries to strengthen collective defense and sector resilience.My experience spans communications, financial services, and industry consortiums, with deep expertise in cyber risk management, intelligence-driven security operations, operational resilience, governance, critical infrastructure protection, and executive and board engagement.I am particularly passionate about advancing collective defense, strengthening organizational resilience, and helping organizations navigate an increasingly interconnected global cyber, operational, and strategic risk landscape.Core areas of focus include:• Global Cybersecurity & Resilience• Cyber Resilience & Operational Risk• Critical Infrastructure Protection• Global Intelligence & Security Operations• Threat Intelligence & Intelligence Sharing• Security Transformation & Governance• Executive & Board Engagement• Enterprise Security Operations• Risk Management & Regulatory Alignment• Cross-Sector Collaboration & Collective Defense