City of Mississauga announces Director of Information Technology and Chief Information Officer

Ryan Lim will oversee six key areas of operations that focus on the innovation, development, maintenance and security of the City’s IT business applications, services and infrastructure.

Local government | September 5, 2025

Following a competitive recruitment process, the City of Mississauga has appointed Ryan Lim as the Director of Information Technology (IT) and Chief Information Officer (CIO) effective August 18, 2025.

In this role, Lim reports to the Commissioner of Corporate Services, Chief Financial Officer and Treasurer, and will oversee six key areas of operations that focus on the innovation, development, maintenance and security of the City’s IT business applications, services and infrastructure.

With more than two decades of service at the City, Lim has most recently served as the interim Director of IT and CIO leading the development of a comprehensive four-year IT strategy, spearheading the City’s migration to cloud-based infrastructure, advancing cybersecurity measures, including leading AI and data policies, and initiatives. Prior to that, Lim held several progressive leadership roles within the City’s IT section with oversight of the City’s IT Desktop and Support Services, Architecture and Innovation, Cybersecurity and Enterprise Architecture.

Lim holds a holds a Bachelor of Electrical Engineering from Toronto Metropolitan University (formerly Ryerson University) and a Computer Science degree from Sheridan College.

“I am pleased to welcome Ryan to this important role. His leadership, along with his knowledge and experience in managing and implementing IT services and solutions will enable him to effectively oversee all aspects of the City’s IT projects, services and business operations.” – Marisa Chiu, Commissioner of Corporate Services, Chief Financial Officer and Treasurer

“In this new role I will have the opportunity to lead and move forward a number of important IT initiatives that will help provide accessible service to our community. I look forward to working closely with the IT division, senior leaders, as well as Mayor and Council.” – Ryan Lim, Director of Information Technology and CIO

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