About Nisos > Advisor > Gary Hayslip

Gary Hayslip

VP, Senior Security Advisor and Field CISO at Halcyon

Gary Hayslip is an experienced global security executive with repeated success in delivering innovative security programs to safeguard billion-dollar enterprises at every touchpoint. He currently serves as a Vice President for Halcyon where he leverages his extensive experience to guide partners and customers in developing robust security programs.

He actively engages with the cyber community, sharing insights and best practices drawn from over 20 years in the industry, including multiple CIO, CISO, and board roles. His focus is on fostering resilience in security operations and addressing the unique challenges faced by businesses today.

From 2019-2025, Gary was the Global Chief Information Security Officer (CISO) at Softbank. Hayslip brought this wealth of information technology, security leadership, physical security, and risk management experience to the The Vision Fund, Vision Fund II, and the LATAM Fund.

Hayslip’s previous executive roles include multiple CISO, CIO, Deputy Director of IT, and Chief Privacy Officer roles for the U.S. Navy (Active Duty), the U.S. Navy (Federal Government employee), the City of San Diego, California, and Webroot Software.

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