Alex Tosheff

Director at Tenable

Alex Tosheff has more than 25 years of business and technical leadership experience, currently serving as senior vice president and chief security officer (CSO) at VMware, leading all aspects of VMware’s cybersecurity, physical security and enterprise resiliency across the global enterprise. Alex is an ardent proponent of cybersecurity as a business value driver and is a recognized expert in the areas of security and technology innovation. He was a member of the Tenable customer advisory board from 2017 until his appointment to the company’s board of directors in September 2022. In addition, he serves as an executive advisory board member for several leading technology organizations, including Zoom, Inc. Alex joined VMware in July 2014 as vice president and CSO, after previously serving as chief information security officer and senior director of information security at PayPal and BillMeLater (acquired by PayPal). He also previously served as venture partner for St. Paul Venture Capital and chief technology officer at Science Applications International Corporation (SAIC). Alex holds a bachelor of science in physics from California State University.