“The Commissioner of Corporate Services is a key role at the Region. In addition to overseeing over 265 staff in multiple lines of business, the Commissioner must work closely with Council as we navigate what promises to be a very challenging budget process this year.” – Niagara Regional Chair Jim Bradley.
News from Niagara’s Regional Government
Posted June 2nd, 2025 on Niagara At Large

Tim Ellis, Niagara Region’s new Commissioner of Corporate Services
Niagara, Ontario – Following an extensive and competitive recruitment process, Tim Ellis will be joining Niagara Region as the new Commissioner of Corporate Services, effective July 7, 2025.
Ellis brings to the Region over 20 years of experience in financial management and organizational leadership, having served in several senior roles across Ontario’s education and public sectors.
Most recently, Ellis was the Chief Financial Officer at Trillium Lakelands District School Board, where he led the modernization of the Board’s long-term accommodation strategy and revamped its budgeting process for enhanced transparency and alignment with strategic goals.
Prior to his role at Trillium Lakelands, Ellis held progressively senior positions with the York Region, Toronto and Toronto Catholic District School Boards.
Ellis will assume the leadership role of Niagara Region’s Corporate Services Department that includes Legal and Court Services, Procurement Services, Asset Management Office, Information Technology Solutions, Construction, Energy and Facilities Management, and Financial Management and Planning.
Quotes:

Niagara Regional Chair Jim Bradley. file photo
“The Commissioner of Corporate Services is a key role at the Region. In addition to overseeing over 265 staff in multiple lines of business, the Commissioner must work closely with Council as we navigate what promises to be a very challenging budget process this year,” said Regional Chair Jim Bradley. “Mr. Ellis’ extensive experience in financial management and organizational leadership will be valuable assets to the Region, and I look forward to seeing his strengths added to those of our already dedicated team of Regional staff.”
“We are thrilled to welcome Tim to our Corporate Leadership Team. His strong background in both the education and public sectors makes him well suited to lead our Corporate Services team and support the Region as we continue to grow and serve our community in better, more effective ways,” said Michelle Sergi, Deputy Chief Administrative Officer.
“I’m honoured to join Niagara Region and to be part of an organization that values responsibility, innovation and serving the public. I look forward to working with a talented team and building on the Region’s strong foundation to achieve positive results for residents and staff,” said Tim Ellis, Commissioner, Corporate Services.
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