TOP 100 LEADERS
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Jason Lish
Title: Senior Vice President & Global Chief Information Security Officer
Company: Verizon Industry: Telecommunications
Jason has moved from securing Cisco to protecting one of the world’ s most consequential communications networks. Now SVP and CISO at Verizon, he brings a career shaped by critical infrastructure, enterprise security and large-scale operations. Before Verizon, Jason led security at Cisco, overseeing enterprise information security, data protection, attack surface management, security operations and value-chain security.
Earlier roles at Lumen, Charles Schwab and Honeywell gave him experience across corporate security, technology and risk, while his career began in the US Air Force. At Verizon, Jason has identified the intersection of AI, resilience and critical infrastructure as a defining security challenge. His focus is on enabling responsible AI adoption while strengthening defences against increasingly sophisticated threats. It is a natural next chapter for a security leader whose experience has consistently centred on protecting technology at enormous scale.
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