John Masserini

Global CISO, Millicom

A 25-year veteran of providing information and corporate security services to multinational companies. An industry-recognized leader whose expertise across multiple business verticals provides for a unique approach to delivering an information risk program that drives business-focused solutions to today's global Information Security & Compliance challenges. An experienced leader who not only specializes in reinvigorating and realigning existing teams but also building new information security programs to meet today's critical business needs.

As Global Chief Information Security Officer of Millicom Telecom International, John is responsible for all global aspects of information security, including Security Operations, Engineering, Architecture, Vulnerability and Risk management, and Business Continuity Planning for all 14 international operations.

John also runs a popular industry blog, Chronicles of a CISO, found at