As a writer he is the co-author of The CISO Handbook: A Practical Guide to Securing Your Company as well as CISO Soft Skills: Securing Organizations Impaired by Employee Politics, Apathy, and Intolerant Perspectives. The CISO Handbook is used as course material for numerous advanced education and Master's programs on security leadership around the world. Mr. Gentile serves on multiple advisory boards, including being on the Board of Advisors for Savant