Cisco Blogs

John Stewart

Senior Vice President, Chief Security and Trust Officer

John N. Stewart formed and leads Cisco's Security and Trust Organization, underscoring Cisco's commitment to address two of the most critical issues that are top of mind for boardrooms and world leaders alike. Under Stewart’s leadership, the organization’s core missions include protecting Cisco's public and private customers, enabling and ensuring Cisco Secure Development Lifecycle and Trustworthy Systems efforts across Cisco's portfolio, and leadership in the areas of privacy, trust and assurance, and efforts with governments globally.

Throughout his 25-year career, Stewart has led or participated in widely ranging security initiatives from IT design for elementary schools to national security programs. In addition to his role at Cisco, he sits on technical advisory boards for Area 1 Security, BlackStratus, Inc., and Threatstream. He is a Board member at Shape Security and RiskSense, Inc. and serves as a special advisor to RedSeal’s Board of Directors. Additionally, Stewart serves on the Australian Department of the Prime Minister and Cabinet Cyber Security Review panel and was formerly on the Cybersecurity Think Tank at University of Maryland University College. He served on the CSIS Commission on Cybersecurity for the 44th United States Presidency, was on the Board of Directors for Fixmo, Koolspan, the National Cyber-Forensics Training Alliance (NCFTA), and Shadow Networks, and was on advisory boards for many companies including Akonix, Cloudshield, Finjan, Ingrian Networks, Nok-Nok Labs, Riverhead, and TripWire.

Stewart is a highly sought public and closed-door speaker and his team was most recently recognized with the 2016 Global Excellence Award for Security Organization of the Year by Info Security Products Guide, and he was individually recognized with the RSA 2015 award for Excellence in Information Security. Other recent honors include the 2014 Global Golden Bridge Award for CISO of the Year, as well as the CSO 40 Silver Award for Chief Security Officer of the Year in 2014.

Stewart has a Master of Science degree in computer and information science from Syracuse University.

John Stewart's Articles