Author Profile

Dennis Xu

Dennis Xu

Sr Director Analyst

4 years at Gartner,  26 years' experience

Location:  ON Canada  |  Language(s):  Chinese - Mandarin, Chinese - Shanghaiese (Wu), English

Roles and Responsibilities

Dennis Xu is a Senior Director Analyst with Gartner for Technical Professionals (GTP) on the Security and Risk Management team. He covers ChatGPT & Generative AI security, cloud security topics that include Security Service Edge (SSE), Cloud Access Security Brokers (CASB), SaaS Security Posture Management (SSPM), Microsoft Office 365 Security, AWS Security, Microsoft Azure Security, CSPM, CWPP, and CNAPP.


Previous Experience

Mr. Xu has more than 20 years of experience in the IT security industry across financial, healthcare, telecommunication, and managed security service providers. He has served as Director of Cloud Security and developed a cloud security strategy and control framework for a large bank. He has worked as a Security Architect and Security Advisor covering AWS, Azure, Cloud Foundry, Mobile Security, Micro-Segmentation, SIEM, Threat Risk Assessment, and Security Reference Architecture.

Professional Background

  • Bank of Nova Scotia, Senior Security Advisor, 1 year
  • Health Shared Services Ontario, Security Architect, 2 years
  • RBC Royal Bank, Director Cloud Security, 4 years


  • Bachelor's Degree, Electrical Engineering, Shanghai Jiao Tong University