Matthew Costello was paid $134,480.19 in total compensation as Data Architect/Architecte de données at Niagara Health System in 2025, 34% above Ontario's $100,000.00 Sunshine List threshold.
Matthew Costello has appeared on the Ontario Sunshine List 5 times since 2021, earning $618K in combined disclosed pay — an average of $123,578.00 a year, up 23% over that span.
That is 9% above the average disclosed pay of $123,309.39 across 1,629 listed Niagara Health System employees.
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5 years on the list
Annual total compensation (CAD) — hover to inspect.
The career in numbers
Totals, averages, and the biggest moves — all total compensation.
A career, year by year.
How Matthew Costello's total compensation has moved across 5 years on the Ontario Sunshine List.
Year-by-year history
5 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest★ Best | $134,480.19 | ▲ 2.6% |
2024 | $131,077.87 | ▲ 1.2% |
2023 | $129,556.19 | ▲ 14.2% |
2022 | $113,430.29 | ▲ 3.7% |
2021First | $109,343.75 | — |
| 5 years total | $618K total | $123,578.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Data Architect/Architecte de données
- Employer
- Niagara Health System
- Sector
- —
- Province
- Ontario
- First appeared
- 2021
- Latest disclosure
- 2025
- Years on list
- 5
Data source
Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.
Name removal
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