Ryan Callanan

Ryan Callanan is a seasoned cybersecurity professional with extensive experience in information security engineering. Currently serving as a Senior Cybersecurity Engineer at Staples since May 2020, Ryan brings a strong background from previous roles, including InfoSec Engineer at Essendant, where responsibilities included network security architecture and various security services. Ryan's expertise encompasses areas such as firewall management, intrusion detection, vulnerability scanning, and network monitoring using SIEM technologies. Earlier experience includes positions as a Security Engineer at Cyberklix and as a Network Engineer at Performance Network Solutions, Inc., focusing on network security and email system management. Ryan holds a Bachelor of Science degree in Information Systems from Elmhurst University.