Rosalia Hajek is a seasoned cybersecurity executive with over 20 years of experience driving enterprise-wide security strategy across Fortune 500 companies globally. As CISO of Topgolf Callaway Brands, she leads cyber risk, compliance, and privacy programs supporting a portfolio of consumer lifestyle brands reaching 75M+ customers.

She has led risk reduction efforts exceeding $127M, advised on complex M&A security integrations, and served as a strategic partner to boards and executive teams. Prior roles include Global BISO at MGM Resorts International and, at Kaiser Permanente, she championed and led the implementation of the organization’s first national information security program across a $112B integrated healthcare system.

Rosalia is a recognized speaker and advocate for embedding trust and resilience into modern digital business.