John N. Stewart, chief security and trust officer at Cisco, is an adviser to and recently joined the board of directors at RiskSense. As a veteran of the industry, Stewart now mentors young companies he considers innovative. Stewart: “The criticality of IT systems has now hit a peak. There is not a single business that doesnt use IT at a very core level. Service needs to run and be safe. Computer security is equally as important, said Stewart.”]